ContentElement.cs source code in C# .NET

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Code:

/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Generated / ContentElement.cs / 2 / ContentElement.cs

                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see [....]/default.aspx/Microsoft.Projects.Avalon/MilCodeGen.html for more information.
// 
//---------------------------------------------------------------------------

using MS.Internal;
using MS.Internal.KnownBoxes; 
using MS.Internal.PresentationCore;
using MS.Utility; 
using System; 
using System.Diagnostics;
using System.Security; 
using System.Security.Permissions;
using System.Windows.Input;
using System.Windows.Media.Animation;
using System.ComponentModel; 

 
#pragma warning disable 1634, 1691  // suppressing PreSharp warnings 

namespace System.Windows 
{
    partial class ContentElement : IAnimatable
    {
        #region IAnimatable 

        ///  
        /// Applies an AnimationClock to a DepencencyProperty which will 
        /// replace the current animations on the property using the snapshot
        /// and replace HandoffBehavior. 
        /// 
        /// 
        /// The DependencyProperty to animate.
        ///  
        /// 
        /// The AnimationClock that will animate the property. If this is null 
        /// then all animations will be removed from the property. 
        /// 
        public void ApplyAnimationClock( 
            DependencyProperty dp,
            AnimationClock clock)
        {
            ApplyAnimationClock(dp, clock, HandoffBehavior.SnapshotAndReplace); 
        }
 
        ///  
        /// Applies an AnimationClock to a DependencyProperty. The effect of
        /// the new AnimationClock on any current animations will be determined by 
        /// the value of the handoffBehavior parameter.
        /// 
        /// 
        /// The DependencyProperty to animate. 
        /// 
        ///  
        /// The AnimationClock that will animate the property. If parameter is null 
        /// then animations will be removed from the property if handoffBehavior is
        /// SnapshotAndReplace; otherwise the method call will have no result. 
        /// 
        /// 
        /// Determines how the new AnimationClock will transition from or
        /// affect any current animations on the property. 
        /// 
        public void ApplyAnimationClock( 
            DependencyProperty dp, 
            AnimationClock clock,
            HandoffBehavior handoffBehavior) 
        {
            if (dp == null)
            {
                throw new ArgumentNullException("dp"); 
            }
 
            if (!AnimationStorage.IsPropertyAnimatable(this, dp)) 
            {
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here. 
                throw new ArgumentException(SR.Get(SRID.Animation_DependencyPropertyIsNotAnimatable, dp.Name, this.GetType()), "dp");
        #pragma warning restore 56506
            }
 
            if (clock != null
                && !AnimationStorage.IsAnimationValid(dp, clock.Timeline)) 
            { 
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here.
                throw new ArgumentException(SR.Get(SRID.Animation_AnimationTimelineTypeMismatch, clock.Timeline.GetType(), dp.Name, dp.PropertyType), "clock"); 
        #pragma warning restore 56506
            }

            if (!HandoffBehaviorEnum.IsDefined(handoffBehavior)) 
            {
                throw new ArgumentException(SR.Get(SRID.Animation_UnrecognizedHandoffBehavior)); 
            } 

            if (IsSealed) 
            {
                throw new InvalidOperationException(SR.Get(SRID.IAnimatable_CantAnimateSealedDO, dp, this.GetType()));
            }
 
            AnimationStorage.ApplyAnimationClock(this, dp, clock, handoffBehavior);
        } 
 
        /// 
        /// Starts an animation for a DependencyProperty. The animation will 
        /// begin when the next frame is rendered.
        /// 
        /// 
        /// The DependencyProperty to animate. 
        /// 
        ///  
        /// The AnimationTimeline to used to animate the property. 
        /// If the AnimationTimeline's BeginTime is null, any current animations
        /// will be removed and the current value of the property will be held. 
        /// If this value is null, all animations will be removed from the property
        /// and the property value will revert back to its base value.
        /// 
        public void BeginAnimation(DependencyProperty dp, AnimationTimeline animation) 
        {
            BeginAnimation(dp, animation, HandoffBehavior.SnapshotAndReplace); 
        } 

        ///  
        /// Starts an animation for a DependencyProperty. The animation will
        /// begin when the next frame is rendered.
        /// 
        ///  
        /// The DependencyProperty to animate.
        ///  
        ///  
        /// The AnimationTimeline to used to animate the property.
        /// If the AnimationTimeline's BeginTime is null, any current animations 
        /// will be removed and the current value of the property will be held.
        /// If this value is null, all animations will be removed from the property
        /// and the property value will revert back to its base value.
        ///  
        /// 
        /// Specifies how the new animation should interact with any current 
        /// animations already affecting the property value. 
        /// 
        public void BeginAnimation(DependencyProperty dp, AnimationTimeline animation, HandoffBehavior handoffBehavior) 
        {
            if (dp == null)
            {
                throw new ArgumentNullException("dp"); 
            }
 
            if (!AnimationStorage.IsPropertyAnimatable(this, dp)) 
            {
        #pragma warning disable 56506 // Suppress presharp warning: Parameter 'dp' to this public method must be validated:  A null-dereference can occur here. 
                throw new ArgumentException(SR.Get(SRID.Animation_DependencyPropertyIsNotAnimatable, dp.Name, this.GetType()), "dp");
        #pragma warning restore 56506
            }
 
            if (   animation != null
                && !AnimationStorage.IsAnimationValid(dp, animation)) 
            { 
                throw new ArgumentException(SR.Get(SRID.Animation_AnimationTimelineTypeMismatch, animation.GetType(), dp.Name, dp.PropertyType), "animation");
            } 

            if (!HandoffBehaviorEnum.IsDefined(handoffBehavior))
            {
                throw new ArgumentException(SR.Get(SRID.Animation_UnrecognizedHandoffBehavior)); 
            }
 
            if (IsSealed) 
            {
                throw new InvalidOperationException(SR.Get(SRID.IAnimatable_CantAnimateSealedDO, dp, this.GetType())); 
            }

            AnimationStorage.BeginAnimation(this, dp, animation, handoffBehavior);
        } 

        ///  
        /// Returns true if any properties on this DependencyObject have a 
        /// persistent animation or the object has one or more clocks associated
        /// with any of its properties. 
        /// 
        public bool HasAnimatedProperties
        {
            get 
            {
                VerifyAccess(); 
 
                return IAnimatable_HasAnimatedProperties;
            } 
        }

        /// 
        ///   If the dependency property is animated this method will 
        ///   give you the value as if it was not animated.
        ///  
        /// The DependencyProperty 
        /// 
        ///   The value that would be returned if there were no 
        ///   animations attached.  If there aren't any attached, then
        ///   the result will be the same as that returned from
        ///   GetValue.
        ///  
        public object GetAnimationBaseValue(DependencyProperty dp)
        { 
            if (dp == null) 
            {
                throw new ArgumentNullException("dp"); 
            }

            return this.GetValueEntry(
                    LookupEntry(dp.GlobalIndex), 
                    dp,
                    null, 
                    RequestFlags.AnimationBaseValue).Value; 
        }
 
        #endregion IAnimatable

        #region Animation
 
        /// 
        ///     Allows subclasses to participate in property animated value computation 
        ///  
        /// 
        ///  
        /// EffectiveValueEntry computed by base
        /// 
        ///     Putting an InheritanceDemand as a defense-in-depth measure,
        ///     as this provides a hook to the property system that we don't 
        ///     want exposed under PartialTrust.
        ///  
        [UIPermissionAttribute(SecurityAction.InheritanceDemand, Window=UIPermissionWindow.AllWindows)] 
        internal sealed override void EvaluateAnimatedValueCore(
                DependencyProperty  dp, 
                PropertyMetadata    metadata,
            ref EffectiveValueEntry entry)
        {
            if (IAnimatable_HasAnimatedProperties) 
            {
                AnimationStorage storage = AnimationStorage.GetStorage(this, dp); 
 
                if (storage != null)
                { 
                    object value = entry.GetFlattenedEntry(RequestFlags.FullyResolved).Value;
                    if (entry.IsDeferredReference)
                    {
                        DeferredReference dr = (DeferredReference)value; 
                        value = dr.GetValue(entry.BaseValueSourceInternal);
 
                        // Set the baseValue back into the entry and clear the 
                        // IsDeferredReference flag
                        entry.SetAnimationBaseValue(value); 
                        entry.IsDeferredReference = false;
                    }

                    object animatedValue = AnimationStorage.GetCurrentPropertyValue(storage, this, dp, metadata, value); 

                    entry.SetAnimatedValue(animatedValue, value); 
                } 
            }
        } 

        #endregion Animation

        #region Commands 
        /// 
        /// Instance level InputBinding collection, initialized on first use. 
        /// To have commands handled (QueryEnabled/Execute) on an element instance, 
        /// the user of this method can add InputBinding with handlers thru this
        /// method. 
        /// 
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
        public InputBindingCollection InputBindings
        { 
            get
            { 
                VerifyAccess(); 
                InputBindingCollection bindings = InputBindingCollectionField.GetValue(this);
                if (bindings == null) 
                {
                    bindings = new InputBindingCollection();
                    InputBindingCollectionField.SetValue(this, bindings);
                } 

                return bindings; 
            } 
        }
 
        // Used by CommandManager to avoid instantiating an empty collection
        internal InputBindingCollection InputBindingsInternal
        {
            get 
            {
                VerifyAccess(); 
                return InputBindingCollectionField.GetValue(this); 
            }
        } 

        /// 
        /// This method is used by TypeDescriptor to determine if this property should
        /// be serialized. 
        /// 
        // for serializer to serialize only when InputBindings is not empty 
        [EditorBrowsable(EditorBrowsableState.Never)] 
        public bool ShouldSerializeInputBindings()
        { 
            InputBindingCollection bindingCollection = InputBindingCollectionField.GetValue(this);
            if (bindingCollection != null && bindingCollection.Count > 0)
            {
                return true; 
            }
 
            return false; 
        }
 
        /// 
        /// Instance level CommandBinding collection, initialized on first use.
        /// To have commands handled (QueryEnabled/Execute) on an element instance,
        /// the user of this method can add CommandBinding with handlers thru this 
        /// method.
        ///  
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] 
        public CommandBindingCollection CommandBindings
        { 
            get
            {
                VerifyAccess();
                CommandBindingCollection bindings = CommandBindingCollectionField.GetValue(this); 
                if (bindings == null)
                { 
                    bindings = new CommandBindingCollection(); 
                    CommandBindingCollectionField.SetValue(this, bindings);
                } 

                return bindings;
            }
        } 

        // Used by CommandManager to avoid instantiating an empty collection 
        internal CommandBindingCollection CommandBindingsInternal 
        {
            get 
            {
                VerifyAccess();
                return CommandBindingCollectionField.GetValue(this);
            } 
        }
 
        ///  
        /// This method is used by TypeDescriptor to determine if this property should
        /// be serialized. 
        /// 
        // for serializer to serialize only when CommandBindings is not empty
        [EditorBrowsable(EditorBrowsableState.Never)]
        public bool ShouldSerializeCommandBindings() 
        {
            CommandBindingCollection bindingCollection = CommandBindingCollectionField.GetValue(this); 
            if (bindingCollection != null && bindingCollection.Count > 0) 
            {
                return true; 
            }

            return false;
        } 

        #endregion Commands 
 
        #region Events
 
        /// 
        ///     Allows ContentElement to augment the
        ///     
        ///  
        /// 
        ///     Sub-classes of ContentElement can override 
        ///     this method to custom augment the route 
        /// 
        ///  
        ///     The  to be
        ///     augmented
        /// 
        ///  
        ///      for the
        ///     RoutedEvent to be raised post building 
        ///     the route 
        /// 
        ///  
        ///     Whether or not the route should continue past the visual tree.
        ///     If this is true, and there are no more visual parents, the route
        ///     building code will call the GetUIParentCore method to find the
        ///     next non-visual parent. 
        /// 
        internal virtual bool BuildRouteCore(EventRoute route, RoutedEventArgs args) 
        { 
            return false;
        } 

        /// 
        ///     Builds the 
        ///  
        /// 
        ///     The  being 
        ///     built 
        /// 
        ///  
        ///      for the
        ///     RoutedEvent to be raised post building
        ///     the route
        ///  
        internal void BuildRoute(EventRoute route, RoutedEventArgs args)
        { 
            UIElement.BuildRouteHelper(this, route, args); 
        }
 
        /// 
        ///     Raise the events specified by
        ///     
        ///  
        /// 
        ///     This method is a shorthand for 
        ///      and 
        ///     
        ///  
        /// 
        ///      for the event to
        ///     be raised
        ///  
        ///
        ///     By default clears the user initiated bit. 
        ///     To guard against "replay" attacks. 
        ///
        public void RaiseEvent(RoutedEventArgs e) 
        {
            // VerifyAccess();

            if (e == null) 
            {
                throw new ArgumentNullException("e"); 
            } 
            e.ClearUserInitiated();
 
            RaiseEventImpl(e);
        }

        ///  
        ///     "Trusted" internal flavor of RaiseEvent.
        ///     Used to set the User-initated RaiseEvent. 
        ///  
        ///
        ///     Critical - sets the MarkAsUserInitiated bit. 
        ///
        [SecurityCritical]
        internal void RaiseEvent( RoutedEventArgs args , bool trusted)
        { 
            if (args == null)
            { 
                throw new ArgumentNullException("args"); 
            }
            if ( trusted ) 
            {
                args.MarkAsUserInitiated();
            }
            else 
            {
                args.ClearUserInitiated(); 
            } 

            // Try/finally to ensure that UserInitiated bit is cleared. 
            try
            {
                RaiseEventImpl(args) ;
            } 
            finally
            { 
                // Clear the bit - just to guarantee it's not used again 
                args.ClearUserInitiated();
            } 
        }

        /// 
        ///     Implementation of RaiseEvent. 
        ///     Called by both the trusted and non-trusted flavors of RaiseEvent.
        ///  
        private void RaiseEventImpl(RoutedEventArgs args) 
        {
            EventRoute route = EventRouteFactory.FetchObject(args.RoutedEvent); 

            if( TraceRoutedEvent.IsEnabled )
            {
                TraceRoutedEvent.Trace( 
                    TraceEventType.Start,
                    TraceRoutedEvent.RaiseEvent, 
                    args.RoutedEvent, 
                    this,
                    args, 
                    args.Handled );
            }

            try 
            {
 
 
                // Set Source
                args.Source = this; 

                BuildRoute(route, args);

                route.InvokeHandlers(this, args); 

                // Reset Source to OriginalSource 
                args.Source = args.OriginalSource; 
            }
 
            finally
            {
                if( TraceRoutedEvent.IsEnabled )
                { 
                    TraceRoutedEvent.Trace(
                        TraceEventType.Stop, 
                        TraceRoutedEvent.RaiseEvent, 
                        args.RoutedEvent,
                        this, 
                        args,
                        args.Handled );
                }
            } 

            EventRouteFactory.RecycleObject(route); 
        } 

        ///  
        ///     Re-raises an event with as a different RoutedEvent.
        /// 
        /// 
        ///     Only used internally.  Added to support cracking generic MouseButtonDown/Up events 
        ///     into MouseLeft/RightButtonDown/Up events.
        ///  
        ///  
        ///     RoutedEventsArgs to re-raise with a new RoutedEvent
        ///  
        /// 
        ///     The new RoutedEvent to be associated with the RoutedEventArgs
        /// 
        private void ReRaiseEventAs(RoutedEventArgs args, RoutedEvent newEvent) 
        {
            // Preseve and change the RoutedEvent 
            RoutedEvent preservedRoutedEvent = args.RoutedEvent; 
            args.OverrideRoutedEvent( newEvent );
 
            // Preserve Source
            object preservedSource = args.Source;

            EventRoute route = EventRouteFactory.FetchObject(args.RoutedEvent); 

            if( TraceRoutedEvent.IsEnabled ) 
            { 
                TraceRoutedEvent.Trace(
                    TraceEventType.Start, 
                    TraceRoutedEvent.ReRaiseEventAs,
                    args.RoutedEvent,
                    this,
                    args, 
                    args.Handled );
            } 
 
            try
            { 
                // Build the route and invoke the handlers
                BuildRoute(route, args);

                route.ReInvokeHandlers(this, args); 

                // Restore Source 
                args.OverrideSource(preservedSource); 

                // Restore RoutedEvent 
                args.OverrideRoutedEvent(preservedRoutedEvent);

            }
 
            finally
            { 
                if( TraceRoutedEvent.IsEnabled ) 
                {
                    TraceRoutedEvent.Trace( 
                        TraceEventType.Stop,
                        TraceRoutedEvent.ReRaiseEventAs,
                        args.RoutedEvent,
                        this, 
                        args,
                        args.Handled ); 
                } 
            }
 
            // Recycle the route object
            EventRouteFactory.RecycleObject(route);
        }
 
        /// 
        ///     Allows adjustment to the event source 
        ///  
        /// 
        ///     Subclasses must override this method 
        ///     to be able to adjust the source during
        ///     route invocation 
        ///
        ///     NOTE: Expected to return null when no 
        ///     change is made to source
        ///  
        ///  
        ///     Routed Event Args
        ///  
        /// 
        ///     Returns new source
        /// 
        internal virtual object AdjustEventSource(RoutedEventArgs args) 
        {
            return null; 
        } 

        ///  
        ///     See overloaded method for details
        /// 
        /// 
        ///     handledEventsToo defaults to false  
        ///     See overloaded method for details
        ///  
        ///  
        /// 
        public void AddHandler(RoutedEvent routedEvent, Delegate handler) 
        {
            // HandledEventToo defaults to false
            // Call forwarded
            AddHandler(routedEvent, handler, false); 
        }
 
        ///  
        ///     Adds a routed event handler for the particular
        ///      
        /// 
        /// 
        ///     The handler added thus is also known as
        ///     an instance handler  
        ///     
        /// 
        ///     NOTE: It is not an error to add a handler twice 
        ///     (handler will simply be called twice) 
        ///      
        ///
        ///     Input parameters 
        ///     and handler cannot be null 
        ///     handledEventsToo input parameter when false means 
        ///     that listener does not care about already handled events.
        ///     Hence the handler will not be invoked on the target if 
        ///     the RoutedEvent has already been 
        ///      
        ///     handledEventsToo input parameter when true means 
        ///     that the listener wants to hear about all events even if
        ///     they have already been handled. Hence the handler will
        ///     be invoked irrespective of the event being
        ///      
        /// 
        ///  
        ///      for which the handler 
        ///     is attached
        ///  
        /// 
        ///     The handler that will be invoked on this object
        ///     when the RoutedEvent is raised
        ///  
        /// 
        ///     Flag indicating whether or not the listener wants to 
        ///     hear about events that have already been handled 
        /// 
        public void AddHandler( 
            RoutedEvent routedEvent,
            Delegate handler,
            bool handledEventsToo)
        { 
            // VerifyAccess();
 
            if (routedEvent == null) 
            {
                throw new ArgumentNullException("routedEvent"); 
            }

            if (handler == null)
            { 
                throw new ArgumentNullException("handler");
            } 
 
            if (!routedEvent.IsLegalHandler(handler))
            { 
                throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal));
            }

            EnsureEventHandlersStore(); 
            EventHandlersStore.AddRoutedEventHandler(routedEvent, handler, handledEventsToo);
 
            OnAddHandler (routedEvent, handler); 

        } 

        /// 
        ///     Notifies subclass of a new routed event handler.  Note that this is
        ///     called once for each handler added, but OnRemoveHandler is only called 
        ///     on the last removal.
        ///  
        internal virtual void OnAddHandler( 
            RoutedEvent routedEvent,
            Delegate handler) 
        {
        }

        ///  
        ///     Removes all instances of the specified routed
        ///     event handler for this object instance 
        ///  
        /// 
        ///     The handler removed thus is also known as 
        ///     an instance handler 
        ///     
        ///
        ///     NOTE: This method does nothing if there were 
        ///     no handlers registered with the matching
        ///     criteria  
        ///      
        ///
        ///     Input parameters  
        ///     and handler cannot be null 
        ///     This method ignores the handledEventsToo criterion
        /// 
        ///  
        ///      for which the handler
        ///     is attached 
        ///  
        /// 
        ///     The handler for this object instance to be removed 
        /// 
        public void RemoveHandler(RoutedEvent routedEvent, Delegate handler)
        {
            // VerifyAccess(); 

            if (routedEvent == null) 
            { 
                throw new ArgumentNullException("routedEvent");
            } 

            if (handler == null)
            {
                throw new ArgumentNullException("handler"); 
            }
 
            if (!routedEvent.IsLegalHandler(handler)) 
            {
                throw new ArgumentException(SR.Get(SRID.HandlerTypeIllegal)); 
            }

            EventHandlersStore store = EventHandlersStore;
            if (store != null) 
            {
                store.RemoveRoutedEventHandler(routedEvent, handler); 
 
                OnRemoveHandler (routedEvent, handler);
 
                if (store.Count == 0)
                {
                    // last event handler was removed -- throw away underlying EventHandlersStore
                    EventHandlersStoreField.ClearValue(this); 
                    WriteFlag(CoreFlags.ExistsEventHandlersStore, false);
                } 
 
            }
        } 

        /// 
        ///     Notifies subclass of an event for which a handler has been removed.
        ///  
        internal virtual void OnRemoveHandler(
            RoutedEvent routedEvent, 
            Delegate handler) 
        {
        } 

        private void EventHandlersStoreAdd(EventPrivateKey key, Delegate handler)
        {
            EnsureEventHandlersStore(); 
            EventHandlersStore.Add(key, handler);
        } 
 
        private void EventHandlersStoreRemove(EventPrivateKey key, Delegate handler)
        { 
            EventHandlersStore store = EventHandlersStore;
            if (store != null)
            {
                store.Remove(key, handler); 
                if (store.Count == 0)
                { 
                    // last event handler was removed -- throw away underlying EventHandlersStore 
                    EventHandlersStoreField.ClearValue(this);
                    WriteFlag(CoreFlags.ExistsEventHandlersStore, false); 
                }
            }
        }
 
        /// 
        ///     Add the event handlers for this element to the route. 
        ///  
        public void AddToEventRoute(EventRoute route, RoutedEventArgs e)
        { 
            if (route == null)
            {
                throw new ArgumentNullException("route");
            } 
            if (e == null)
            { 
                throw new ArgumentNullException("e"); 
            }
 
            // Get class listeners for this ContentElement
            RoutedEventHandlerInfoList classListeners =
                GlobalEventManager.GetDTypedClassListeners(this.DependencyObjectType, e.RoutedEvent);
 
            // Add all class listeners for this ContentElement
            while (classListeners != null) 
            { 
                for(int i = 0; i < classListeners.Handlers.Length; i++)
                { 
                    route.Add(this, classListeners.Handlers[i].Handler, classListeners.Handlers[i].InvokeHandledEventsToo);
                }

                classListeners = classListeners.Next; 
            }
 
            // Get instance listeners for this ContentElement 
            FrugalObjectList instanceListeners = null;
            EventHandlersStore store = EventHandlersStore; 
            if (store != null)
            {
                instanceListeners = store[e.RoutedEvent];
 
                // Add all instance listeners for this ContentElement
                if (instanceListeners != null) 
                { 
                    for (int i = 0; i < instanceListeners.Count; i++)
                    { 
                        route.Add(this, instanceListeners[i].Handler, instanceListeners[i].InvokeHandledEventsToo);
                    }
                }
            } 

            // Allow Framework to add event handlers in styles 
            AddToEventRouteCore(route, e); 
        }
 
        /// 
        ///     This virtual method is to be overridden in Framework
        ///     to be able to add handlers for styles
        ///  
        internal virtual void AddToEventRouteCore(EventRoute route, RoutedEventArgs args)
        { 
        } 

        ///  
        ///     Event Handlers Store
        /// 
        /// 
        ///     The idea of exposing this property is to allow 
        ///     elements in the Framework to generically use
        ///     EventHandlersStore for Clr events as well. 
        ///  
        internal EventHandlersStore EventHandlersStore
        { 
            [FriendAccessAllowed] // Built into Core, also used by Framework.
            get
            {
                if(!ReadFlag(CoreFlags.ExistsEventHandlersStore)) 
                {
                    return null; 
                } 
                return EventHandlersStoreField.GetValue(this);
            } 
        }

        /// 
        ///     Ensures that EventHandlersStore will return 
        ///     non-null when it is called.
        ///  
        [FriendAccessAllowed] // Built into Core, also used by Framework. 
        internal void EnsureEventHandlersStore()
        { 
            if (EventHandlersStore == null)
            {
                EventHandlersStoreField.SetValue(this, new EventHandlersStore());
                WriteFlag(CoreFlags.ExistsEventHandlersStore, true); 
            }
        } 
 
        #endregion Events
 
        /// 
        ///  Critical: This code is used to register various thunks that are used to send input to the tree
        ///  TreatAsSafe: This code attaches handlers that are inside the class and private. Not configurable or overridable
        ///  
        [SecurityCritical,SecurityTreatAsSafe]
        private static void RegisterEvents() 
        { 
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.PreviewMouseDownEvent, new MouseButtonEventHandler(ContentElement.OnPreviewMouseDownThunk), true);
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.MouseDownEvent, new MouseButtonEventHandler(ContentElement.OnMouseDownThunk), true); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.PreviewMouseUpEvent, new MouseButtonEventHandler(ContentElement.OnPreviewMouseUpThunk), true);
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.MouseUpEvent, new MouseButtonEventHandler(ContentElement.OnMouseUpThunk), true);
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.PreviewMouseLeftButtonDownEvent, new MouseButtonEventHandler(ContentElement.OnPreviewMouseLeftButtonDownThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.MouseLeftButtonDownEvent, new MouseButtonEventHandler(ContentElement.OnMouseLeftButtonDownThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.PreviewMouseLeftButtonUpEvent, new MouseButtonEventHandler(ContentElement.OnPreviewMouseLeftButtonUpThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.MouseLeftButtonUpEvent, new MouseButtonEventHandler(ContentElement.OnMouseLeftButtonUpThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.PreviewMouseRightButtonDownEvent, new MouseButtonEventHandler(ContentElement.OnPreviewMouseRightButtonDownThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.MouseRightButtonDownEvent, new MouseButtonEventHandler(ContentElement.OnMouseRightButtonDownThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.PreviewMouseRightButtonUpEvent, new MouseButtonEventHandler(ContentElement.OnPreviewMouseRightButtonUpThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), UIElement.MouseRightButtonUpEvent, new MouseButtonEventHandler(ContentElement.OnMouseRightButtonUpThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.PreviewMouseMoveEvent, new MouseEventHandler(ContentElement.OnPreviewMouseMoveThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.MouseMoveEvent, new MouseEventHandler(ContentElement.OnMouseMoveThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.PreviewMouseWheelEvent, new MouseWheelEventHandler(ContentElement.OnPreviewMouseWheelThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.MouseWheelEvent, new MouseWheelEventHandler(ContentElement.OnMouseWheelThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.MouseEnterEvent, new MouseEventHandler(ContentElement.OnMouseEnterThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.MouseLeaveEvent, new MouseEventHandler(ContentElement.OnMouseLeaveThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.GotMouseCaptureEvent, new MouseEventHandler(ContentElement.OnGotMouseCaptureThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.LostMouseCaptureEvent, new MouseEventHandler(ContentElement.OnLostMouseCaptureThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Mouse.QueryCursorEvent, new QueryCursorEventHandler(ContentElement.OnQueryCursorThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusDownEvent, new StylusDownEventHandler(ContentElement.OnPreviewStylusDownThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusDownEvent, new StylusDownEventHandler(ContentElement.OnStylusDownThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusUpEvent, new StylusEventHandler(ContentElement.OnPreviewStylusUpThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusUpEvent, new StylusEventHandler(ContentElement.OnStylusUpThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusMoveEvent, new StylusEventHandler(ContentElement.OnPreviewStylusMoveThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusMoveEvent, new StylusEventHandler(ContentElement.OnStylusMoveThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusInAirMoveEvent, new StylusEventHandler(ContentElement.OnPreviewStylusInAirMoveThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusInAirMoveEvent, new StylusEventHandler(ContentElement.OnStylusInAirMoveThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusEnterEvent, new StylusEventHandler(ContentElement.OnStylusEnterThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusLeaveEvent, new StylusEventHandler(ContentElement.OnStylusLeaveThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusInRangeEvent, new StylusEventHandler(ContentElement.OnPreviewStylusInRangeThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusInRangeEvent, new StylusEventHandler(ContentElement.OnStylusInRangeThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusOutOfRangeEvent, new StylusEventHandler(ContentElement.OnPreviewStylusOutOfRangeThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusOutOfRangeEvent, new StylusEventHandler(ContentElement.OnStylusOutOfRangeThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusSystemGestureEvent, new StylusSystemGestureEventHandler(ContentElement.OnPreviewStylusSystemGestureThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusSystemGestureEvent, new StylusSystemGestureEventHandler(ContentElement.OnStylusSystemGestureThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.GotStylusCaptureEvent, new StylusEventHandler(ContentElement.OnGotStylusCaptureThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.LostStylusCaptureEvent, new StylusEventHandler(ContentElement.OnLostStylusCaptureThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusButtonDownEvent, new StylusButtonEventHandler(ContentElement.OnStylusButtonDownThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.StylusButtonUpEvent, new StylusButtonEventHandler(ContentElement.OnStylusButtonUpThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusButtonDownEvent, new StylusButtonEventHandler(ContentElement.OnPreviewStylusButtonDownThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Stylus.PreviewStylusButtonUpEvent, new StylusButtonEventHandler(ContentElement.OnPreviewStylusButtonUpThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.PreviewKeyDownEvent, new KeyEventHandler(ContentElement.OnPreviewKeyDownThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.KeyDownEvent, new KeyEventHandler(ContentElement.OnKeyDownThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.PreviewKeyUpEvent, new KeyEventHandler(ContentElement.OnPreviewKeyUpThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.KeyUpEvent, new KeyEventHandler(ContentElement.OnKeyUpThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.PreviewGotKeyboardFocusEvent, new KeyboardFocusChangedEventHandler(ContentElement.OnPreviewGotKeyboardFocusThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.GotKeyboardFocusEvent, new KeyboardFocusChangedEventHandler(ContentElement.OnGotKeyboardFocusThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.PreviewLostKeyboardFocusEvent, new KeyboardFocusChangedEventHandler(ContentElement.OnPreviewLostKeyboardFocusThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), Keyboard.LostKeyboardFocusEvent, new KeyboardFocusChangedEventHandler(ContentElement.OnLostKeyboardFocusThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), TextCompositionManager.PreviewTextInputEvent, new TextCompositionEventHandler(ContentElement.OnPreviewTextInputThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), TextCompositionManager.TextInputEvent, new TextCompositionEventHandler(ContentElement.OnTextInputThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), CommandManager.PreviewExecutedEvent, new ExecutedRoutedEventHandler(ContentElement.OnPreviewExecutedThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), CommandManager.ExecutedEvent, new ExecutedRoutedEventHandler(ContentElement.OnExecutedThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), CommandManager.PreviewCanExecuteEvent, new CanExecuteRoutedEventHandler(ContentElement.OnPreviewCanExecuteThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), CommandManager.CanExecuteEvent, new CanExecuteRoutedEventHandler(ContentElement.OnCanExecuteThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), CommandDevice.CommandDeviceEvent, new CommandDeviceEventHandler(ContentElement.OnCommandDeviceThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.PreviewQueryContinueDragEvent, new QueryContinueDragEventHandler(ContentElement.OnPreviewQueryContinueDragThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.QueryContinueDragEvent, new QueryContinueDragEventHandler(ContentElement.OnQueryContinueDragThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.PreviewGiveFeedbackEvent, new GiveFeedbackEventHandler(ContentElement.OnPreviewGiveFeedbackThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.GiveFeedbackEvent, new GiveFeedbackEventHandler(ContentElement.OnGiveFeedbackThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.PreviewDragEnterEvent, new DragEventHandler(ContentElement.OnPreviewDragEnterThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.DragEnterEvent, new DragEventHandler(ContentElement.OnDragEnterThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.PreviewDragOverEvent, new DragEventHandler(ContentElement.OnPreviewDragOverThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.DragOverEvent, new DragEventHandler(ContentElement.OnDragOverThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.PreviewDragLeaveEvent, new DragEventHandler(ContentElement.OnPreviewDragLeaveThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.DragLeaveEvent, new DragEventHandler(ContentElement.OnDragLeaveThunk), false);
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.PreviewDropEvent, new DragEventHandler(ContentElement.OnPreviewDropThunk), false); 
            EventManager.RegisterClassHandler(typeof(ContentElement), DragDrop.DropEvent, new DragEventHandler(ContentElement.OnDropThunk), false);
        } 
 
        private static void RegisterProperties()
        { 
            UIElement.IsMouseDirectlyOverPropertyKey.OverrideMetadata(
                                typeof(ContentElement),
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsMouseDirectlyOver_Changed)));
 
            UIElement.IsMouseOverPropertyKey.OverrideMetadata( 
                                typeof(ContentElement),
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox));

            UIElement.IsStylusOverPropertyKey.OverrideMetadata(
                                typeof(ContentElement), 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 
 
            UIElement.IsKeyboardFocusWithinPropertyKey.OverrideMetadata(
                                typeof(ContentElement), 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox));

            UIElement.IsMouseCapturedPropertyKey.OverrideMetadata( 
                                typeof(ContentElement),
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsMouseCaptured_Changed)));
 
            UIElement.IsMouseCaptureWithinPropertyKey.OverrideMetadata(
                                typeof(ContentElement),
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox)); 

            UIElement.IsStylusDirectlyOverPropertyKey.OverrideMetadata( 
                                typeof(ContentElement), 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsStylusDirectlyOver_Changed)));

            UIElement.IsStylusCapturedPropertyKey.OverrideMetadata(
                                typeof(ContentElement), 
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox, // default value 
                                            new PropertyChangedCallback(IsStylusCaptured_Changed))); 

            UIElement.IsStylusCaptureWithinPropertyKey.OverrideMetadata( 
                                typeof(ContentElement),
                                new PropertyMetadata(
                                            BooleanBoxes.FalseBox));
 
            UIElement.IsKeyboardFocusedPropertyKey.OverrideMetadata(
                                typeof(ContentElement), 
                                new PropertyMetadata( 
                                            BooleanBoxes.FalseBox, // default value
                                            new PropertyChangedCallback(IsKeyboardFocused_Changed))); 
        }

        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnPreviewMouseDownThunk(object sender, MouseButtonEventArgs e) 
        {
            if(!e.Handled) 
            {
                ((ContentElement)sender).OnPreviewMouseDown(e);
            }
 
            // Always raise this "sub-event", but we pass along the handledness.
            ((ContentElement)sender).CrackMouseButtonEventAndReRaiseEvent(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnMouseDownThunk(object sender, MouseButtonEventArgs e) 
        {
            if(!e.Handled) 
            { 
                CommandManager.TranslateInput(sender as IInputElement, e);
            } 

            if(!e.Handled)
            {
                ((ContentElement)sender).OnMouseDown(e); 
            }
 
            // Always raise this "sub-event", but we pass along the handledness. 
            ((ContentElement)sender).CrackMouseButtonEventAndReRaiseEvent(e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewMouseUpThunk(object sender, MouseButtonEventArgs e) 
        { 
            if(!e.Handled)
            { 
                ((ContentElement)sender).OnPreviewMouseUp(e);
            }

            // Always raise this "sub-event", but we pass along the handledness. 
            ((ContentElement)sender).CrackMouseButtonEventAndReRaiseEvent(e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnMouseUpThunk(object sender, MouseButtonEventArgs e)
        { 
            if(!e.Handled)
            { 
                ((ContentElement)sender).OnMouseUp(e); 
            }
 
            // Always raise this "sub-event", but we pass along the handledness.
            ((ContentElement)sender).CrackMouseButtonEventAndReRaiseEvent(e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnPreviewMouseLeftButtonDownThunk(object sender, MouseButtonEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnPreviewMouseLeftButtonDown(e); 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnMouseLeftButtonDownThunk(object sender, MouseButtonEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnMouseLeftButtonDown(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnPreviewMouseLeftButtonUpThunk(object sender, MouseButtonEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            ((ContentElement)sender).OnPreviewMouseLeftButtonUp(e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnMouseLeftButtonUpThunk(object sender, MouseButtonEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnMouseLeftButtonUp(e);
        }

        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical] 
        private static void OnPreviewMouseRightButtonDownThunk(object sender, MouseButtonEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnPreviewMouseRightButtonDown(e);
        } 

        ///  
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnMouseRightButtonDownThunk(object sender, MouseButtonEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnMouseRightButtonDown(e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnPreviewMouseRightButtonUpThunk(object sender, MouseButtonEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnPreviewMouseRightButtonUp(e); 
        }
 
        /// 
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical] 
        private static void OnMouseRightButtonUpThunk(object sender, MouseButtonEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnMouseRightButtonUp(e); 
        }

        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnPreviewMouseMoveThunk(object sender, MouseEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewMouseMove(e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnMouseMoveThunk(object sender, MouseEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnMouseMove(e); 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewMouseWheelThunk(object sender, MouseWheelEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewMouseWheel(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnMouseWheelThunk(object sender, MouseWheelEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            CommandManager.TranslateInput(sender as IInputElement, e);
 
            if(!e.Handled)
            {
                ((ContentElement)sender).OnMouseWheel(e);
            } 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnMouseEnterThunk(object sender, MouseEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnMouseEnter(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnMouseLeaveThunk(object sender, MouseEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            ((ContentElement)sender).OnMouseLeave(e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnGotMouseCaptureThunk(object sender, MouseEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnGotMouseCapture(e);
        }

        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical] 
        private static void OnLostMouseCaptureThunk(object sender, MouseEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnLostMouseCapture(e);
        } 

        ///  
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnQueryCursorThunk(object sender, QueryCursorEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnQueryCursor(e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnPreviewStylusDownThunk(object sender, StylusDownEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnPreviewStylusDown(e); 
        }
 
        /// 
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical] 
        private static void OnStylusDownThunk(object sender, StylusDownEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnStylusDown(e); 
        }

        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnPreviewStylusUpThunk(object sender, StylusEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewStylusUp(e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnStylusUpThunk(object sender, StylusEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnStylusUp(e); 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewStylusMoveThunk(object sender, StylusEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewStylusMove(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnStylusMoveThunk(object sender, StylusEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            ((ContentElement)sender).OnStylusMove(e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewStylusInAirMoveThunk(object sender, StylusEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnPreviewStylusInAirMove(e);
        }

        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical] 
        private static void OnStylusInAirMoveThunk(object sender, StylusEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnStylusInAirMove(e);
        } 

        ///  
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnStylusEnterThunk(object sender, StylusEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnStylusEnter(e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnStylusLeaveThunk(object sender, StylusEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnStylusLeave(e); 
        }
 
        /// 
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical] 
        private static void OnPreviewStylusInRangeThunk(object sender, StylusEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewStylusInRange(e); 
        }

        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnStylusInRangeThunk(object sender, StylusEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnStylusInRange(e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnPreviewStylusOutOfRangeThunk(object sender, StylusEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnPreviewStylusOutOfRange(e); 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnStylusOutOfRangeThunk(object sender, StylusEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnStylusOutOfRange(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnPreviewStylusSystemGestureThunk(object sender, StylusSystemGestureEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            ((ContentElement)sender).OnPreviewStylusSystemGesture(e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnStylusSystemGestureThunk(object sender, StylusSystemGestureEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnStylusSystemGesture(e);
        }

        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical] 
        private static void OnGotStylusCaptureThunk(object sender, StylusEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnGotStylusCapture(e);
        } 

        ///  
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnLostStylusCaptureThunk(object sender, StylusEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnLostStylusCapture(e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnStylusButtonDownThunk(object sender, StylusButtonEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnStylusButtonDown(e); 
        }
 
        /// 
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical] 
        private static void OnStylusButtonUpThunk(object sender, StylusButtonEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnStylusButtonUp(e); 
        }

        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnPreviewStylusButtonDownThunk(object sender, StylusButtonEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewStylusButtonDown(e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnPreviewStylusButtonUpThunk(object sender, StylusButtonEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnPreviewStylusButtonUp(e); 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewKeyDownThunk(object sender, KeyEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewKeyDown(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnKeyDownThunk(object sender, KeyEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            CommandManager.TranslateInput(sender as IInputElement, e);
 
            if(!e.Handled)
            {
                ((ContentElement)sender).OnKeyDown(e);
            } 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewKeyUpThunk(object sender, KeyEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewKeyUp(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnKeyUpThunk(object sender, KeyEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            ((ContentElement)sender).OnKeyUp(e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewGotKeyboardFocusThunk(object sender, KeyboardFocusChangedEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnPreviewGotKeyboardFocus(e);
        }

        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical] 
        private static void OnGotKeyboardFocusThunk(object sender, KeyboardFocusChangedEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnGotKeyboardFocus(e);
        } 

        ///  
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnPreviewLostKeyboardFocusThunk(object sender, KeyboardFocusChangedEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnPreviewLostKeyboardFocus(e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnLostKeyboardFocusThunk(object sender, KeyboardFocusChangedEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnLostKeyboardFocus(e); 
        }
 
        /// 
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical] 
        private static void OnPreviewTextInputThunk(object sender, TextCompositionEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewTextInput(e); 
        }

        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnTextInputThunk(object sender, TextCompositionEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnTextInput(e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnPreviewExecutedThunk(object sender, ExecutedRoutedEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            // Command Manager will determine if preview or regular event. 
            CommandManager.OnExecuted(sender, e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnExecutedThunk(object sender, ExecutedRoutedEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            // Command Manager will determine if preview or regular event. 
            CommandManager.OnExecuted(sender, e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewCanExecuteThunk(object sender, CanExecuteRoutedEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            // Command Manager will determine if preview or regular event.
            CommandManager.OnCanExecute(sender, e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnCanExecuteThunk(object sender, CanExecuteRoutedEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            // Command Manager will determine if preview or regular event. 
            CommandManager.OnCanExecute(sender, e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnCommandDeviceThunk(object sender, CommandDeviceEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            // Command Manager will determine if preview or regular event. 
            CommandManager.OnCommandDevice(sender, e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnPreviewQueryContinueDragThunk(object sender, QueryContinueDragEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnPreviewQueryContinueDrag(e);
        }

        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical] 
        private static void OnQueryContinueDragThunk(object sender, QueryContinueDragEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnQueryContinueDrag(e);
        } 

        ///  
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnPreviewGiveFeedbackThunk(object sender, GiveFeedbackEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnPreviewGiveFeedback(e);
        } 
 
        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical]
        private static void OnGiveFeedbackThunk(object sender, GiveFeedbackEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnGiveFeedback(e); 
        }
 
        /// 
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical] 
        private static void OnPreviewDragEnterThunk(object sender, DragEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnPreviewDragEnter(e); 
        }

        /// 
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnDragEnterThunk(object sender, DragEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnDragEnter(e);
        }
 
        /// 
        ///     Critical: This code can be used to spoof input 
        ///  
        [SecurityCritical]
        private static void OnPreviewDragOverThunk(object sender, DragEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnPreviewDragOver(e); 
        }
 
        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnDragOverThunk(object sender, DragEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 

            ((ContentElement)sender).OnDragOver(e); 
        } 

        ///  
        ///     Critical: This code can be used to spoof input
        /// 
        [SecurityCritical]
        private static void OnPreviewDragLeaveThunk(object sender, DragEventArgs e) 
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled."); 
 
            ((ContentElement)sender).OnPreviewDragLeave(e);
        } 

        /// 
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical]
        private static void OnDragLeaveThunk(object sender, DragEventArgs e) 
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnDragLeave(e);
        }

        ///  
        ///     Critical: This code can be used to spoof input
        ///  
        [SecurityCritical] 
        private static void OnPreviewDropThunk(object sender, DragEventArgs e)
        { 
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");

            ((ContentElement)sender).OnPreviewDrop(e);
        } 

        ///  
        ///     Critical: This code can be used to spoof input 
        /// 
        [SecurityCritical] 
        private static void OnDropThunk(object sender, DragEventArgs e)
        {
            Invariant.Assert(!e.Handled, "Unexpected: Event has already been handled.");
 
            ((ContentElement)sender).OnDrop(e);
        } 
 
        /// 
        ///     Alias to the Mouse.PreviewMouseDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewMouseDownEvent = Mouse.PreviewMouseDownEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting the mouse button was pressed
        ///  
        public event MouseButtonEventHandler PreviewMouseDown 
        {
            add { AddHandler(Mouse.PreviewMouseDownEvent, value, false); } 
            remove { RemoveHandler(Mouse.PreviewMouseDownEvent, value); }
        }

        ///  
        ///     Virtual method reporting the mouse button was pressed
        ///  
        protected virtual void OnPreviewMouseDown(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.MouseDownEvent.
        /// 
        public static readonly RoutedEvent MouseDownEvent = Mouse.MouseDownEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the mouse button was pressed 
        ///  
        public event MouseButtonEventHandler MouseDown
        { 
            add { AddHandler(Mouse.MouseDownEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseDownEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the mouse button was pressed 
        ///  
        protected virtual void OnMouseDown(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.PreviewMouseUpEvent.
        /// 
        public static readonly RoutedEvent PreviewMouseUpEvent = Mouse.PreviewMouseUpEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the mouse button was released 
        /// 
        public event MouseButtonEventHandler PreviewMouseUp 
        {
            add { AddHandler(Mouse.PreviewMouseUpEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseUpEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the mouse button was released 
        /// 
        protected virtual void OnPreviewMouseUp(MouseButtonEventArgs e) {} 

        /// 
        ///     Alias to the Mouse.MouseUpEvent.
        ///  
        public static readonly RoutedEvent MouseUpEvent = Mouse.MouseUpEvent.AddOwner(typeof(ContentElement));
 
        ///  
        ///     Event reporting the mouse button was released
        ///  
        public event MouseButtonEventHandler MouseUp
        {
            add { AddHandler(Mouse.MouseUpEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseUpEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the mouse button was released
        ///  
        protected virtual void OnMouseUp(MouseButtonEventArgs e) {}

        /// 
        ///     Alias to the UIElement.PreviewMouseLeftButtonDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewMouseLeftButtonDownEvent = UIElement.PreviewMouseLeftButtonDownEvent.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     Event reporting the left mouse button was pressed 
        /// 
        public event MouseButtonEventHandler PreviewMouseLeftButtonDown
        {
            add { AddHandler(UIElement.PreviewMouseLeftButtonDownEvent, value, false); } 
            remove { RemoveHandler(UIElement.PreviewMouseLeftButtonDownEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the left mouse button was pressed 
        /// 
        protected virtual void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e) {}

        ///  
        ///     Alias to the UIElement.MouseLeftButtonDownEvent.
        ///  
        public static readonly RoutedEvent MouseLeftButtonDownEvent = UIElement.MouseLeftButtonDownEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the left mouse button was pressed
        /// 
        public event MouseButtonEventHandler MouseLeftButtonDown
        { 
            add { AddHandler(UIElement.MouseLeftButtonDownEvent, value, false); }
            remove { RemoveHandler(UIElement.MouseLeftButtonDownEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the left mouse button was pressed
        /// 
        protected virtual void OnMouseLeftButtonDown(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the UIElement.PreviewMouseLeftButtonUpEvent. 
        ///  
        public static readonly RoutedEvent PreviewMouseLeftButtonUpEvent = UIElement.PreviewMouseLeftButtonUpEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the left mouse button was released
        /// 
        public event MouseButtonEventHandler PreviewMouseLeftButtonUp 
        {
            add { AddHandler(UIElement.PreviewMouseLeftButtonUpEvent, value, false); } 
            remove { RemoveHandler(UIElement.PreviewMouseLeftButtonUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the left mouse button was released
        /// 
        protected virtual void OnPreviewMouseLeftButtonUp(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the UIElement.MouseLeftButtonUpEvent. 
        /// 
        public static readonly RoutedEvent MouseLeftButtonUpEvent = UIElement.MouseLeftButtonUpEvent.AddOwner(typeof(ContentElement)); 

        /// 
        ///     Event reporting the left mouse button was released
        ///  
        public event MouseButtonEventHandler MouseLeftButtonUp
        { 
            add { AddHandler(UIElement.MouseLeftButtonUpEvent, value, false); } 
            remove { RemoveHandler(UIElement.MouseLeftButtonUpEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the left mouse button was released
        ///  
        protected virtual void OnMouseLeftButtonUp(MouseButtonEventArgs e) {}
 
        ///  
        ///     Alias to the UIElement.PreviewMouseRightButtonDownEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseRightButtonDownEvent = UIElement.PreviewMouseRightButtonDownEvent.AddOwner(typeof(ContentElement));

        /// 
        ///     Event reporting the right mouse button was pressed 
        /// 
        public event MouseButtonEventHandler PreviewMouseRightButtonDown 
        { 
            add { AddHandler(UIElement.PreviewMouseRightButtonDownEvent, value, false); }
            remove { RemoveHandler(UIElement.PreviewMouseRightButtonDownEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the right mouse button was pressed 
        /// 
        protected virtual void OnPreviewMouseRightButtonDown(MouseButtonEventArgs e) {} 
 
        /// 
        ///     Alias to the UIElement.MouseRightButtonDownEvent. 
        /// 
        public static readonly RoutedEvent MouseRightButtonDownEvent = UIElement.MouseRightButtonDownEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting the right mouse button was pressed
        ///  
        public event MouseButtonEventHandler MouseRightButtonDown 
        {
            add { AddHandler(UIElement.MouseRightButtonDownEvent, value, false); } 
            remove { RemoveHandler(UIElement.MouseRightButtonDownEvent, value); }
        }

        ///  
        ///     Virtual method reporting the right mouse button was pressed
        ///  
        protected virtual void OnMouseRightButtonDown(MouseButtonEventArgs e) {} 

        ///  
        ///     Alias to the UIElement.PreviewMouseRightButtonUpEvent.
        /// 
        public static readonly RoutedEvent PreviewMouseRightButtonUpEvent = UIElement.PreviewMouseRightButtonUpEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the right mouse button was released 
        ///  
        public event MouseButtonEventHandler PreviewMouseRightButtonUp
        { 
            add { AddHandler(UIElement.PreviewMouseRightButtonUpEvent, value, false); }
            remove { RemoveHandler(UIElement.PreviewMouseRightButtonUpEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the right mouse button was released 
        ///  
        protected virtual void OnPreviewMouseRightButtonUp(MouseButtonEventArgs e) {}
 
        /// 
        ///     Alias to the UIElement.MouseRightButtonUpEvent.
        /// 
        public static readonly RoutedEvent MouseRightButtonUpEvent = UIElement.MouseRightButtonUpEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the right mouse button was released 
        /// 
        public event MouseButtonEventHandler MouseRightButtonUp 
        {
            add { AddHandler(UIElement.MouseRightButtonUpEvent, value, false); }
            remove { RemoveHandler(UIElement.MouseRightButtonUpEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the right mouse button was released 
        /// 
        protected virtual void OnMouseRightButtonUp(MouseButtonEventArgs e) {} 

        /// 
        ///     Alias to the Mouse.PreviewMouseMoveEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseMoveEvent = Mouse.PreviewMouseMoveEvent.AddOwner(typeof(ContentElement));
 
        ///  
        ///     Event reporting a mouse move
        ///  
        public event MouseEventHandler PreviewMouseMove
        {
            add { AddHandler(Mouse.PreviewMouseMoveEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseMoveEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting a mouse move
        ///  
        protected virtual void OnPreviewMouseMove(MouseEventArgs e) {}

        /// 
        ///     Alias to the Mouse.MouseMoveEvent. 
        /// 
        public static readonly RoutedEvent MouseMoveEvent = Mouse.MouseMoveEvent.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     Event reporting a mouse move 
        /// 
        public event MouseEventHandler MouseMove
        {
            add { AddHandler(Mouse.MouseMoveEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseMoveEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting a mouse move 
        /// 
        protected virtual void OnMouseMove(MouseEventArgs e) {}

        ///  
        ///     Alias to the Mouse.PreviewMouseWheelEvent.
        ///  
        public static readonly RoutedEvent PreviewMouseWheelEvent = Mouse.PreviewMouseWheelEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting a mouse wheel rotation
        /// 
        public event MouseWheelEventHandler PreviewMouseWheel
        { 
            add { AddHandler(Mouse.PreviewMouseWheelEvent, value, false); }
            remove { RemoveHandler(Mouse.PreviewMouseWheelEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting a mouse wheel rotation
        /// 
        protected virtual void OnPreviewMouseWheel(MouseWheelEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.MouseWheelEvent. 
        ///  
        public static readonly RoutedEvent MouseWheelEvent = Mouse.MouseWheelEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting a mouse wheel rotation
        /// 
        public event MouseWheelEventHandler MouseWheel 
        {
            add { AddHandler(Mouse.MouseWheelEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseWheelEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting a mouse wheel rotation
        /// 
        protected virtual void OnMouseWheel(MouseWheelEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.MouseEnterEvent. 
        /// 
        public static readonly RoutedEvent MouseEnterEvent = Mouse.MouseEnterEvent.AddOwner(typeof(ContentElement)); 

        /// 
        ///     Event reporting the mouse entered this element
        ///  
        public event MouseEventHandler MouseEnter
        { 
            add { AddHandler(Mouse.MouseEnterEvent, value, false); } 
            remove { RemoveHandler(Mouse.MouseEnterEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the mouse entered this element
        ///  
        protected virtual void OnMouseEnter(MouseEventArgs e) {}
 
        ///  
        ///     Alias to the Mouse.MouseLeaveEvent.
        ///  
        public static readonly RoutedEvent MouseLeaveEvent = Mouse.MouseLeaveEvent.AddOwner(typeof(ContentElement));

        /// 
        ///     Event reporting the mouse left this element 
        /// 
        public event MouseEventHandler MouseLeave 
        { 
            add { AddHandler(Mouse.MouseLeaveEvent, value, false); }
            remove { RemoveHandler(Mouse.MouseLeaveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the mouse left this element 
        /// 
        protected virtual void OnMouseLeave(MouseEventArgs e) {} 
 
        /// 
        ///     Alias to the Mouse.GotMouseCaptureEvent. 
        /// 
        public static readonly RoutedEvent GotMouseCaptureEvent = Mouse.GotMouseCaptureEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting that this element got the mouse capture
        ///  
        public event MouseEventHandler GotMouseCapture 
        {
            add { AddHandler(Mouse.GotMouseCaptureEvent, value, false); } 
            remove { RemoveHandler(Mouse.GotMouseCaptureEvent, value); }
        }

        ///  
        ///     Virtual method reporting that this element got the mouse capture
        ///  
        protected virtual void OnGotMouseCapture(MouseEventArgs e) {} 

        ///  
        ///     Alias to the Mouse.LostMouseCaptureEvent.
        /// 
        public static readonly RoutedEvent LostMouseCaptureEvent = Mouse.LostMouseCaptureEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting that this element lost the mouse capture 
        ///  
        public event MouseEventHandler LostMouseCapture
        { 
            add { AddHandler(Mouse.LostMouseCaptureEvent, value, false); }
            remove { RemoveHandler(Mouse.LostMouseCaptureEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting that this element lost the mouse capture 
        ///  
        protected virtual void OnLostMouseCapture(MouseEventArgs e) {}
 
        /// 
        ///     Alias to the Mouse.QueryCursorEvent.
        /// 
        public static readonly RoutedEvent QueryCursorEvent = Mouse.QueryCursorEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the cursor to display was requested 
        /// 
        public event QueryCursorEventHandler QueryCursor 
        {
            add { AddHandler(Mouse.QueryCursorEvent, value, false); }
            remove { RemoveHandler(Mouse.QueryCursorEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the cursor to display was requested 
        /// 
        protected virtual void OnQueryCursor(QueryCursorEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.PreviewStylusDownEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusDownEvent = Stylus.PreviewStylusDownEvent.AddOwner(typeof(ContentElement));
 
        ///  
        ///     Event reporting a stylus-down
        ///  
        public event StylusDownEventHandler PreviewStylusDown
        {
            add { AddHandler(Stylus.PreviewStylusDownEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusDownEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting a stylus-down
        ///  
        protected virtual void OnPreviewStylusDown(StylusDownEventArgs e) {}

        /// 
        ///     Alias to the Stylus.StylusDownEvent. 
        /// 
        public static readonly RoutedEvent StylusDownEvent = Stylus.StylusDownEvent.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     Event reporting a stylus-down 
        /// 
        public event StylusDownEventHandler StylusDown
        {
            add { AddHandler(Stylus.StylusDownEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusDownEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting a stylus-down 
        /// 
        protected virtual void OnStylusDown(StylusDownEventArgs e) {}

        ///  
        ///     Alias to the Stylus.PreviewStylusUpEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusUpEvent = Stylus.PreviewStylusUpEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting a stylus-up
        /// 
        public event StylusEventHandler PreviewStylusUp
        { 
            add { AddHandler(Stylus.PreviewStylusUpEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusUpEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting a stylus-up
        /// 
        protected virtual void OnPreviewStylusUp(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.StylusUpEvent. 
        ///  
        public static readonly RoutedEvent StylusUpEvent = Stylus.StylusUpEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting a stylus-up
        /// 
        public event StylusEventHandler StylusUp 
        {
            add { AddHandler(Stylus.StylusUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting a stylus-up
        /// 
        protected virtual void OnStylusUp(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.PreviewStylusMoveEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusMoveEvent = Stylus.PreviewStylusMoveEvent.AddOwner(typeof(ContentElement)); 

        /// 
        ///     Event reporting a stylus move
        ///  
        public event StylusEventHandler PreviewStylusMove
        { 
            add { AddHandler(Stylus.PreviewStylusMoveEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusMoveEvent, value); }
        } 

        /// 
        ///     Virtual method reporting a stylus move
        ///  
        protected virtual void OnPreviewStylusMove(StylusEventArgs e) {}
 
        ///  
        ///     Alias to the Stylus.StylusMoveEvent.
        ///  
        public static readonly RoutedEvent StylusMoveEvent = Stylus.StylusMoveEvent.AddOwner(typeof(ContentElement));

        /// 
        ///     Event reporting a stylus move 
        /// 
        public event StylusEventHandler StylusMove 
        { 
            add { AddHandler(Stylus.StylusMoveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusMoveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a stylus move 
        /// 
        protected virtual void OnStylusMove(StylusEventArgs e) {} 
 
        /// 
        ///     Alias to the Stylus.PreviewStylusInAirMoveEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusInAirMoveEvent = Stylus.PreviewStylusInAirMoveEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting a stylus-in-air-move
        ///  
        public event StylusEventHandler PreviewStylusInAirMove 
        {
            add { AddHandler(Stylus.PreviewStylusInAirMoveEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusInAirMoveEvent, value); }
        }

        ///  
        ///     Virtual method reporting a stylus-in-air-move
        ///  
        protected virtual void OnPreviewStylusInAirMove(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.StylusInAirMoveEvent.
        /// 
        public static readonly RoutedEvent StylusInAirMoveEvent = Stylus.StylusInAirMoveEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting a stylus-in-air-move 
        ///  
        public event StylusEventHandler StylusInAirMove
        { 
            add { AddHandler(Stylus.StylusInAirMoveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusInAirMoveEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting a stylus-in-air-move 
        ///  
        protected virtual void OnStylusInAirMove(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.StylusEnterEvent.
        /// 
        public static readonly RoutedEvent StylusEnterEvent = Stylus.StylusEnterEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the stylus entered this element 
        /// 
        public event StylusEventHandler StylusEnter 
        {
            add { AddHandler(Stylus.StylusEnterEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusEnterEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the stylus entered this element 
        /// 
        protected virtual void OnStylusEnter(StylusEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.StylusLeaveEvent.
        ///  
        public static readonly RoutedEvent StylusLeaveEvent = Stylus.StylusLeaveEvent.AddOwner(typeof(ContentElement));
 
        ///  
        ///     Event reporting the stylus left this element
        ///  
        public event StylusEventHandler StylusLeave
        {
            add { AddHandler(Stylus.StylusLeaveEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusLeaveEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the stylus left this element
        ///  
        protected virtual void OnStylusLeave(StylusEventArgs e) {}

        /// 
        ///     Alias to the Stylus.PreviewStylusInRangeEvent. 
        /// 
        public static readonly RoutedEvent PreviewStylusInRangeEvent = Stylus.PreviewStylusInRangeEvent.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     Event reporting the stylus is now in range of the digitizer 
        /// 
        public event StylusEventHandler PreviewStylusInRange
        {
            add { AddHandler(Stylus.PreviewStylusInRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusInRangeEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the stylus is now in range of the digitizer 
        /// 
        protected virtual void OnPreviewStylusInRange(StylusEventArgs e) {}

        ///  
        ///     Alias to the Stylus.StylusInRangeEvent.
        ///  
        public static readonly RoutedEvent StylusInRangeEvent = Stylus.StylusInRangeEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the stylus is now in range of the digitizer
        /// 
        public event StylusEventHandler StylusInRange
        { 
            add { AddHandler(Stylus.StylusInRangeEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusInRangeEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the stylus is now in range of the digitizer
        /// 
        protected virtual void OnStylusInRange(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.PreviewStylusOutOfRangeEvent. 
        ///  
        public static readonly RoutedEvent PreviewStylusOutOfRangeEvent = Stylus.PreviewStylusOutOfRangeEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the stylus is now out of range of the digitizer
        /// 
        public event StylusEventHandler PreviewStylusOutOfRange 
        {
            add { AddHandler(Stylus.PreviewStylusOutOfRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusOutOfRangeEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the stylus is now out of range of the digitizer
        /// 
        protected virtual void OnPreviewStylusOutOfRange(StylusEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.StylusOutOfRangeEvent. 
        /// 
        public static readonly RoutedEvent StylusOutOfRangeEvent = Stylus.StylusOutOfRangeEvent.AddOwner(typeof(ContentElement)); 

        /// 
        ///     Event reporting the stylus is now out of range of the digitizer
        ///  
        public event StylusEventHandler StylusOutOfRange
        { 
            add { AddHandler(Stylus.StylusOutOfRangeEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusOutOfRangeEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the stylus is now out of range of the digitizer
        ///  
        protected virtual void OnStylusOutOfRange(StylusEventArgs e) {}
 
        ///  
        ///     Alias to the Stylus.PreviewStylusSystemGestureEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusSystemGestureEvent = Stylus.PreviewStylusSystemGestureEvent.AddOwner(typeof(ContentElement));

        /// 
        ///     Event reporting a stylus system gesture 
        /// 
        public event StylusSystemGestureEventHandler PreviewStylusSystemGesture 
        { 
            add { AddHandler(Stylus.PreviewStylusSystemGestureEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusSystemGestureEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a stylus system gesture 
        /// 
        protected virtual void OnPreviewStylusSystemGesture(StylusSystemGestureEventArgs e) {} 
 
        /// 
        ///     Alias to the Stylus.StylusSystemGestureEvent. 
        /// 
        public static readonly RoutedEvent StylusSystemGestureEvent = Stylus.StylusSystemGestureEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting a stylus system gesture
        ///  
        public event StylusSystemGestureEventHandler StylusSystemGesture 
        {
            add { AddHandler(Stylus.StylusSystemGestureEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusSystemGestureEvent, value); }
        }

        ///  
        ///     Virtual method reporting a stylus system gesture
        ///  
        protected virtual void OnStylusSystemGesture(StylusSystemGestureEventArgs e) {} 

        ///  
        ///     Alias to the Stylus.GotStylusCaptureEvent.
        /// 
        public static readonly RoutedEvent GotStylusCaptureEvent = Stylus.GotStylusCaptureEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting that this element got the stylus capture 
        ///  
        public event StylusEventHandler GotStylusCapture
        { 
            add { AddHandler(Stylus.GotStylusCaptureEvent, value, false); }
            remove { RemoveHandler(Stylus.GotStylusCaptureEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting that this element got the stylus capture 
        ///  
        protected virtual void OnGotStylusCapture(StylusEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.LostStylusCaptureEvent.
        /// 
        public static readonly RoutedEvent LostStylusCaptureEvent = Stylus.LostStylusCaptureEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting that this element lost the stylus capture 
        /// 
        public event StylusEventHandler LostStylusCapture 
        {
            add { AddHandler(Stylus.LostStylusCaptureEvent, value, false); }
            remove { RemoveHandler(Stylus.LostStylusCaptureEvent, value); }
        } 

        ///  
        ///     Virtual method reporting that this element lost the stylus capture 
        /// 
        protected virtual void OnLostStylusCapture(StylusEventArgs e) {} 

        /// 
        ///     Alias to the Stylus.StylusButtonDownEvent.
        ///  
        public static readonly RoutedEvent StylusButtonDownEvent = Stylus.StylusButtonDownEvent.AddOwner(typeof(ContentElement));
 
        ///  
        ///     Event reporting the stylus button is down
        ///  
        public event StylusButtonEventHandler StylusButtonDown
        {
            add { AddHandler(Stylus.StylusButtonDownEvent, value, false); }
            remove { RemoveHandler(Stylus.StylusButtonDownEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the stylus button is down
        ///  
        protected virtual void OnStylusButtonDown(StylusButtonEventArgs e) {}

        /// 
        ///     Alias to the Stylus.StylusButtonUpEvent. 
        /// 
        public static readonly RoutedEvent StylusButtonUpEvent = Stylus.StylusButtonUpEvent.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     Event reporting the stylus button is up 
        /// 
        public event StylusButtonEventHandler StylusButtonUp
        {
            add { AddHandler(Stylus.StylusButtonUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.StylusButtonUpEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the stylus button is up 
        /// 
        protected virtual void OnStylusButtonUp(StylusButtonEventArgs e) {}

        ///  
        ///     Alias to the Stylus.PreviewStylusButtonDownEvent.
        ///  
        public static readonly RoutedEvent PreviewStylusButtonDownEvent = Stylus.PreviewStylusButtonDownEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the stylus button is down
        /// 
        public event StylusButtonEventHandler PreviewStylusButtonDown
        { 
            add { AddHandler(Stylus.PreviewStylusButtonDownEvent, value, false); }
            remove { RemoveHandler(Stylus.PreviewStylusButtonDownEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the stylus button is down
        /// 
        protected virtual void OnPreviewStylusButtonDown(StylusButtonEventArgs e) {}
 
        /// 
        ///     Alias to the Stylus.PreviewStylusButtonUpEvent. 
        ///  
        public static readonly RoutedEvent PreviewStylusButtonUpEvent = Stylus.PreviewStylusButtonUpEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the stylus button is up
        /// 
        public event StylusButtonEventHandler PreviewStylusButtonUp 
        {
            add { AddHandler(Stylus.PreviewStylusButtonUpEvent, value, false); } 
            remove { RemoveHandler(Stylus.PreviewStylusButtonUpEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the stylus button is up
        /// 
        protected virtual void OnPreviewStylusButtonUp(StylusButtonEventArgs e) {} 

        ///  
        ///     Alias to the Keyboard.PreviewKeyDownEvent. 
        /// 
        public static readonly RoutedEvent PreviewKeyDownEvent = Keyboard.PreviewKeyDownEvent.AddOwner(typeof(ContentElement)); 

        /// 
        ///     Event reporting a key was pressed
        ///  
        public event KeyEventHandler PreviewKeyDown
        { 
            add { AddHandler(Keyboard.PreviewKeyDownEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewKeyDownEvent, value); }
        } 

        /// 
        ///     Virtual method reporting a key was pressed
        ///  
        protected virtual void OnPreviewKeyDown(KeyEventArgs e) {}
 
        ///  
        ///     Alias to the Keyboard.KeyDownEvent.
        ///  
        public static readonly RoutedEvent KeyDownEvent = Keyboard.KeyDownEvent.AddOwner(typeof(ContentElement));

        /// 
        ///     Event reporting a key was pressed 
        /// 
        public event KeyEventHandler KeyDown 
        { 
            add { AddHandler(Keyboard.KeyDownEvent, value, false); }
            remove { RemoveHandler(Keyboard.KeyDownEvent, value); } 
        }

        /// 
        ///     Virtual method reporting a key was pressed 
        /// 
        protected virtual void OnKeyDown(KeyEventArgs e) {} 
 
        /// 
        ///     Alias to the Keyboard.PreviewKeyUpEvent. 
        /// 
        public static readonly RoutedEvent PreviewKeyUpEvent = Keyboard.PreviewKeyUpEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting a key was released
        ///  
        public event KeyEventHandler PreviewKeyUp 
        {
            add { AddHandler(Keyboard.PreviewKeyUpEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewKeyUpEvent, value); }
        }

        ///  
        ///     Virtual method reporting a key was released
        ///  
        protected virtual void OnPreviewKeyUp(KeyEventArgs e) {} 

        ///  
        ///     Alias to the Keyboard.KeyUpEvent.
        /// 
        public static readonly RoutedEvent KeyUpEvent = Keyboard.KeyUpEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting a key was released 
        ///  
        public event KeyEventHandler KeyUp
        { 
            add { AddHandler(Keyboard.KeyUpEvent, value, false); }
            remove { RemoveHandler(Keyboard.KeyUpEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting a key was released 
        ///  
        protected virtual void OnKeyUp(KeyEventArgs e) {}
 
        /// 
        ///     Alias to the Keyboard.PreviewGotKeyboardFocusEvent.
        /// 
        public static readonly RoutedEvent PreviewGotKeyboardFocusEvent = Keyboard.PreviewGotKeyboardFocusEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting that the keyboard is focused on this element 
        /// 
        public event KeyboardFocusChangedEventHandler PreviewGotKeyboardFocus 
        {
            add { AddHandler(Keyboard.PreviewGotKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.PreviewGotKeyboardFocusEvent, value); }
        } 

        ///  
        ///     Virtual method reporting that the keyboard is focused on this element 
        /// 
        protected virtual void OnPreviewGotKeyboardFocus(KeyboardFocusChangedEventArgs e) {} 

        /// 
        ///     Alias to the Keyboard.GotKeyboardFocusEvent.
        ///  
        public static readonly RoutedEvent GotKeyboardFocusEvent = Keyboard.GotKeyboardFocusEvent.AddOwner(typeof(ContentElement));
 
        ///  
        ///     Event reporting that the keyboard is focused on this element
        ///  
        public event KeyboardFocusChangedEventHandler GotKeyboardFocus
        {
            add { AddHandler(Keyboard.GotKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.GotKeyboardFocusEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting that the keyboard is focused on this element
        ///  
        protected virtual void OnGotKeyboardFocus(KeyboardFocusChangedEventArgs e) {}

        /// 
        ///     Alias to the Keyboard.PreviewLostKeyboardFocusEvent. 
        /// 
        public static readonly RoutedEvent PreviewLostKeyboardFocusEvent = Keyboard.PreviewLostKeyboardFocusEvent.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     Event reporting that the keyboard is no longer focusekeyboard is no longer focuseed 
        /// 
        public event KeyboardFocusChangedEventHandler PreviewLostKeyboardFocus
        {
            add { AddHandler(Keyboard.PreviewLostKeyboardFocusEvent, value, false); } 
            remove { RemoveHandler(Keyboard.PreviewLostKeyboardFocusEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting that the keyboard is no longer focusekeyboard is no longer focuseed 
        /// 
        protected virtual void OnPreviewLostKeyboardFocus(KeyboardFocusChangedEventArgs e) {}

        ///  
        ///     Alias to the Keyboard.LostKeyboardFocusEvent.
        ///  
        public static readonly RoutedEvent LostKeyboardFocusEvent = Keyboard.LostKeyboardFocusEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting that the keyboard is no longer focusekeyboard is no longer focuseed
        /// 
        public event KeyboardFocusChangedEventHandler LostKeyboardFocus
        { 
            add { AddHandler(Keyboard.LostKeyboardFocusEvent, value, false); }
            remove { RemoveHandler(Keyboard.LostKeyboardFocusEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting that the keyboard is no longer focusekeyboard is no longer focuseed
        /// 
        protected virtual void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e) {}
 
        /// 
        ///     Alias to the TextCompositionManager.PreviewTextInputEvent. 
        ///  
        public static readonly RoutedEvent PreviewTextInputEvent = TextCompositionManager.PreviewTextInputEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting text composition
        /// 
        public event TextCompositionEventHandler PreviewTextInput 
        {
            add { AddHandler(TextCompositionManager.PreviewTextInputEvent, value, false); } 
            remove { RemoveHandler(TextCompositionManager.PreviewTextInputEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting text composition
        /// 
        protected virtual void OnPreviewTextInput(TextCompositionEventArgs e) {} 

        ///  
        ///     Alias to the TextCompositionManager.TextInputEvent. 
        /// 
        public static readonly RoutedEvent TextInputEvent = TextCompositionManager.TextInputEvent.AddOwner(typeof(ContentElement)); 

        /// 
        ///     Event reporting text composition
        ///  
        public event TextCompositionEventHandler TextInput
        { 
            add { AddHandler(TextCompositionManager.TextInputEvent, value, false); } 
            remove { RemoveHandler(TextCompositionManager.TextInputEvent, value); }
        } 

        /// 
        ///     Virtual method reporting text composition
        ///  
        protected virtual void OnTextInput(TextCompositionEventArgs e) {}
 
        ///  
        ///     Alias to the DragDrop.PreviewQueryContinueDragEvent.
        ///  
        public static readonly RoutedEvent PreviewQueryContinueDragEvent = DragDrop.PreviewQueryContinueDragEvent.AddOwner(typeof(ContentElement));

        /// 
        ///     Event reporting the preview query continue drag is going to happen 
        /// 
        public event QueryContinueDragEventHandler PreviewQueryContinueDrag 
        { 
            add { AddHandler(DragDrop.PreviewQueryContinueDragEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewQueryContinueDragEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the preview query continue drag is going to happen 
        /// 
        protected virtual void OnPreviewQueryContinueDrag(QueryContinueDragEventArgs e) {} 
 
        /// 
        ///     Alias to the DragDrop.QueryContinueDragEvent. 
        /// 
        public static readonly RoutedEvent QueryContinueDragEvent = DragDrop.QueryContinueDragEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting the query continue drag is going to happen
        ///  
        public event QueryContinueDragEventHandler QueryContinueDrag 
        {
            add { AddHandler(DragDrop.QueryContinueDragEvent, value, false); } 
            remove { RemoveHandler(DragDrop.QueryContinueDragEvent, value); }
        }

        ///  
        ///     Virtual method reporting the query continue drag is going to happen
        ///  
        protected virtual void OnQueryContinueDrag(QueryContinueDragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.PreviewGiveFeedbackEvent.
        /// 
        public static readonly RoutedEvent PreviewGiveFeedbackEvent = DragDrop.PreviewGiveFeedbackEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the preview give feedback is going to happen 
        ///  
        public event GiveFeedbackEventHandler PreviewGiveFeedback
        { 
            add { AddHandler(DragDrop.PreviewGiveFeedbackEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewGiveFeedbackEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the preview give feedback is going to happen 
        ///  
        protected virtual void OnPreviewGiveFeedback(GiveFeedbackEventArgs e) {}
 
        /// 
        ///     Alias to the DragDrop.GiveFeedbackEvent.
        /// 
        public static readonly RoutedEvent GiveFeedbackEvent = DragDrop.GiveFeedbackEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the give feedback is going to happen 
        /// 
        public event GiveFeedbackEventHandler GiveFeedback 
        {
            add { AddHandler(DragDrop.GiveFeedbackEvent, value, false); }
            remove { RemoveHandler(DragDrop.GiveFeedbackEvent, value); }
        } 

        ///  
        ///     Virtual method reporting the give feedback is going to happen 
        /// 
        protected virtual void OnGiveFeedback(GiveFeedbackEventArgs e) {} 

        /// 
        ///     Alias to the DragDrop.PreviewDragEnterEvent.
        ///  
        public static readonly RoutedEvent PreviewDragEnterEvent = DragDrop.PreviewDragEnterEvent.AddOwner(typeof(ContentElement));
 
        ///  
        ///     Event reporting the preview drag enter is going to happen
        ///  
        public event DragEventHandler PreviewDragEnter
        {
            add { AddHandler(DragDrop.PreviewDragEnterEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewDragEnterEvent, value); } 
        }
 
        ///  
        ///     Virtual method reporting the preview drag enter is going to happen
        ///  
        protected virtual void OnPreviewDragEnter(DragEventArgs e) {}

        /// 
        ///     Alias to the DragDrop.DragEnterEvent. 
        /// 
        public static readonly RoutedEvent DragEnterEvent = DragDrop.DragEnterEvent.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     Event reporting the drag enter is going to happen 
        /// 
        public event DragEventHandler DragEnter
        {
            add { AddHandler(DragDrop.DragEnterEvent, value, false); } 
            remove { RemoveHandler(DragDrop.DragEnterEvent, value); }
        } 
 
        /// 
        ///     Virtual method reporting the drag enter is going to happen 
        /// 
        protected virtual void OnDragEnter(DragEventArgs e) {}

        ///  
        ///     Alias to the DragDrop.PreviewDragOverEvent.
        ///  
        public static readonly RoutedEvent PreviewDragOverEvent = DragDrop.PreviewDragOverEvent.AddOwner(typeof(ContentElement)); 

        ///  
        ///     Event reporting the preview drag over is going to happen
        /// 
        public event DragEventHandler PreviewDragOver
        { 
            add { AddHandler(DragDrop.PreviewDragOverEvent, value, false); }
            remove { RemoveHandler(DragDrop.PreviewDragOverEvent, value); } 
        } 

        ///  
        ///     Virtual method reporting the preview drag over is going to happen
        /// 
        protected virtual void OnPreviewDragOver(DragEventArgs e) {}
 
        /// 
        ///     Alias to the DragDrop.DragOverEvent. 
        ///  
        public static readonly RoutedEvent DragOverEvent = DragDrop.DragOverEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the drag over is going to happen
        /// 
        public event DragEventHandler DragOver 
        {
            add { AddHandler(DragDrop.DragOverEvent, value, false); } 
            remove { RemoveHandler(DragDrop.DragOverEvent, value); } 
        }
 
        /// 
        ///     Virtual method reporting the drag over is going to happen
        /// 
        protected virtual void OnDragOver(DragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.PreviewDragLeaveEvent. 
        /// 
        public static readonly RoutedEvent PreviewDragLeaveEvent = DragDrop.PreviewDragLeaveEvent.AddOwner(typeof(ContentElement)); 

        /// 
        ///     Event reporting the preview drag leave is going to happen
        ///  
        public event DragEventHandler PreviewDragLeave
        { 
            add { AddHandler(DragDrop.PreviewDragLeaveEvent, value, false); } 
            remove { RemoveHandler(DragDrop.PreviewDragLeaveEvent, value); }
        } 

        /// 
        ///     Virtual method reporting the preview drag leave is going to happen
        ///  
        protected virtual void OnPreviewDragLeave(DragEventArgs e) {}
 
        ///  
        ///     Alias to the DragDrop.DragLeaveEvent.
        ///  
        public static readonly RoutedEvent DragLeaveEvent = DragDrop.DragLeaveEvent.AddOwner(typeof(ContentElement));

        /// 
        ///     Event reporting the drag leave is going to happen 
        /// 
        public event DragEventHandler DragLeave 
        { 
            add { AddHandler(DragDrop.DragLeaveEvent, value, false); }
            remove { RemoveHandler(DragDrop.DragLeaveEvent, value); } 
        }

        /// 
        ///     Virtual method reporting the drag leave is going to happen 
        /// 
        protected virtual void OnDragLeave(DragEventArgs e) {} 
 
        /// 
        ///     Alias to the DragDrop.PreviewDropEvent. 
        /// 
        public static readonly RoutedEvent PreviewDropEvent = DragDrop.PreviewDropEvent.AddOwner(typeof(ContentElement));

        ///  
        ///     Event reporting the preview drop is going to happen
        ///  
        public event DragEventHandler PreviewDrop 
        {
            add { AddHandler(DragDrop.PreviewDropEvent, value, false); } 
            remove { RemoveHandler(DragDrop.PreviewDropEvent, value); }
        }

        ///  
        ///     Virtual method reporting the preview drop is going to happen
        ///  
        protected virtual void OnPreviewDrop(DragEventArgs e) {} 

        ///  
        ///     Alias to the DragDrop.DropEvent.
        /// 
        public static readonly RoutedEvent DropEvent = DragDrop.DropEvent.AddOwner(typeof(ContentElement));
 
        /// 
        ///     Event reporting the drag enter is going to happen 
        ///  
        public event DragEventHandler Drop
        { 
            add { AddHandler(DragDrop.DropEvent, value, false); }
            remove { RemoveHandler(DragDrop.DropEvent, value); }
        }
 
        /// 
        ///     Virtual method reporting the drag enter is going to happen 
        ///  
        protected virtual void OnDrop(DragEventArgs e) {}
 
        /// 
        ///     The dependency property for the IsMouseDirectlyOver property.
        /// 
        public static readonly DependencyProperty IsMouseDirectlyOverProperty = UIElement.IsMouseDirectlyOverProperty.AddOwner(typeof(ContentElement)); 

        private static void IsMouseDirectlyOver_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        { 
            ((ContentElement) d).RaiseIsMouseDirectlyOverChanged(e);
        } 

        /// 
        ///     An event reporting that the IsMouseDirectlyOver property changed.
        ///  
        public event DependencyPropertyChangedEventHandler IsMouseDirectlyOverChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsMouseDirectlyOverChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsMouseDirectlyOverChangedKey, value); }
        } 

        /// 
        ///     An event reporting that the IsMouseDirectlyOver property changed.
        ///  
        protected virtual void OnIsMouseDirectlyOverChanged(DependencyPropertyChangedEventArgs e)
        { 
        } 

        private void RaiseIsMouseDirectlyOverChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first.
            OnIsMouseDirectlyOverChanged(args);
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseDirectlyOverChangedKey, args); 
        } 

        ///  
        ///     The dependency property for the IsMouseOver property.
        /// 
        public static readonly DependencyProperty IsMouseOverProperty = UIElement.IsMouseOverProperty.AddOwner(typeof(ContentElement));
 
        /// 
        ///     The dependency property for the IsStylusOver property. 
        ///  
        public static readonly DependencyProperty IsStylusOverProperty = UIElement.IsStylusOverProperty.AddOwner(typeof(ContentElement));
 
        /// 
        ///     The dependency property for the IsKeyboardFocusWithin property.
        /// 
        public static readonly DependencyProperty IsKeyboardFocusWithinProperty = UIElement.IsKeyboardFocusWithinProperty.AddOwner(typeof(ContentElement)); 

        ///  
        ///     An event reporting that the IsKeyboardFocusWithin property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsKeyboardFocusWithinChanged 
        {
            add    { EventHandlersStoreAdd(UIElement.IsKeyboardFocusWithinChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsKeyboardFocusWithinChangedKey, value); }
        } 

        ///  
        ///     An event reporting that the IsKeyboardFocusWithin property changed. 
        /// 
        protected virtual void OnIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs e) 
        {
        }

         internal void RaiseIsKeyboardFocusWithinChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsKeyboardFocusWithinChanged(args); 

            // Raise the public event second. 
            RaiseDependencyPropertyChanged(UIElement.IsKeyboardFocusWithinChangedKey, args);
        }

        ///  
        ///     The dependency property for the IsMouseCaptured property.
        ///  
        public static readonly DependencyProperty IsMouseCapturedProperty = UIElement.IsMouseCapturedProperty.AddOwner(typeof(ContentElement)); 

        private static void IsMouseCaptured_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        {
            ((ContentElement) d).RaiseIsMouseCapturedChanged(e);
        }
 
        /// 
        ///     An event reporting that the IsMouseCaptured property changed. 
        ///  
        public event DependencyPropertyChangedEventHandler IsMouseCapturedChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsMouseCapturedChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsMouseCapturedChangedKey, value); }
        }
 
        /// 
        ///     An event reporting that the IsMouseCaptured property changed. 
        ///  
        protected virtual void OnIsMouseCapturedChanged(DependencyPropertyChangedEventArgs e)
        { 
        }

        private void RaiseIsMouseCapturedChanged(DependencyPropertyChangedEventArgs args)
        { 
            // Call the virtual method first.
            OnIsMouseCapturedChanged(args); 
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseCapturedChangedKey, args); 
        }

        /// 
        ///     The dependency property for the IsMouseCaptureWithin property. 
        /// 
        public static readonly DependencyProperty IsMouseCaptureWithinProperty = UIElement.IsMouseCaptureWithinProperty.AddOwner(typeof(ContentElement)); 
 
        /// 
        ///     An event reporting that the IsMouseCaptureWithin property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsMouseCaptureWithinChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsMouseCaptureWithinChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsMouseCaptureWithinChangedKey, value); }
        } 
 
        /// 
        ///     An event reporting that the IsMouseCaptureWithin property changed. 
        /// 
        protected virtual void OnIsMouseCaptureWithinChanged(DependencyPropertyChangedEventArgs e)
        {
        } 

         internal void RaiseIsMouseCaptureWithinChanged(DependencyPropertyChangedEventArgs args) 
        { 
            // Call the virtual method first.
            OnIsMouseCaptureWithinChanged(args); 

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsMouseCaptureWithinChangedKey, args);
        } 

        ///  
        ///     The dependency property for the IsStylusDirectlyOver property. 
        /// 
        public static readonly DependencyProperty IsStylusDirectlyOverProperty = UIElement.IsStylusDirectlyOverProperty.AddOwner(typeof(ContentElement)); 

        private static void IsStylusDirectlyOver_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((ContentElement) d).RaiseIsStylusDirectlyOverChanged(e); 
        }
 
        ///  
        ///     An event reporting that the IsStylusDirectlyOver property changed.
        ///  
        public event DependencyPropertyChangedEventHandler IsStylusDirectlyOverChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsStylusDirectlyOverChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusDirectlyOverChangedKey, value); } 
        }
 
        ///  
        ///     An event reporting that the IsStylusDirectlyOver property changed.
        ///  
        protected virtual void OnIsStylusDirectlyOverChanged(DependencyPropertyChangedEventArgs e)
        {
        }
 
        private void RaiseIsStylusDirectlyOverChanged(DependencyPropertyChangedEventArgs args)
        { 
            // Call the virtual method first. 
            OnIsStylusDirectlyOverChanged(args);
 
            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsStylusDirectlyOverChangedKey, args);
        }
 
        /// 
        ///     The dependency property for the IsStylusCaptured property. 
        ///  
        public static readonly DependencyProperty IsStylusCapturedProperty = UIElement.IsStylusCapturedProperty.AddOwner(typeof(ContentElement));
 
        private static void IsStylusCaptured_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ((ContentElement) d).RaiseIsStylusCapturedChanged(e);
        } 

        ///  
        ///     An event reporting that the IsStylusCaptured property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsStylusCapturedChanged 
        {
            add    { EventHandlersStoreAdd(UIElement.IsStylusCapturedChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusCapturedChangedKey, value); }
        } 

        ///  
        ///     An event reporting that the IsStylusCaptured property changed. 
        /// 
        protected virtual void OnIsStylusCapturedChanged(DependencyPropertyChangedEventArgs e) 
        {
        }

        private void RaiseIsStylusCapturedChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsStylusCapturedChanged(args); 

            // Raise the public event second. 
            RaiseDependencyPropertyChanged(UIElement.IsStylusCapturedChangedKey, args);
        }

        ///  
        ///     The dependency property for the IsStylusCaptureWithin property.
        ///  
        public static readonly DependencyProperty IsStylusCaptureWithinProperty = UIElement.IsStylusCaptureWithinProperty.AddOwner(typeof(ContentElement)); 

        ///  
        ///     An event reporting that the IsStylusCaptureWithin property changed.
        /// 
        public event DependencyPropertyChangedEventHandler IsStylusCaptureWithinChanged
        { 
            add    { EventHandlersStoreAdd(UIElement.IsStylusCaptureWithinChangedKey, value); }
            remove { EventHandlersStoreRemove(UIElement.IsStylusCaptureWithinChangedKey, value); } 
        } 

        ///  
        ///     An event reporting that the IsStylusCaptureWithin property changed.
        /// 
        protected virtual void OnIsStylusCaptureWithinChanged(DependencyPropertyChangedEventArgs e)
        { 
        }
 
         internal void RaiseIsStylusCaptureWithinChanged(DependencyPropertyChangedEventArgs args) 
        {
            // Call the virtual method first. 
            OnIsStylusCaptureWithinChanged(args);

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsStylusCaptureWithinChangedKey, args); 
        }
 
        ///  
        ///     The dependency property for the IsKeyboardFocused property.
        ///  
        public static readonly DependencyProperty IsKeyboardFocusedProperty = UIElement.IsKeyboardFocusedProperty.AddOwner(typeof(ContentElement));

        private static void IsKeyboardFocused_Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            ((ContentElement) d).RaiseIsKeyboardFocusedChanged(e);
        } 
 
        /// 
        ///     An event reporting that the IsKeyboardFocused property changed. 
        /// 
        public event DependencyPropertyChangedEventHandler IsKeyboardFocusedChanged
        {
            add    { EventHandlersStoreAdd(UIElement.IsKeyboardFocusedChangedKey, value); } 
            remove { EventHandlersStoreRemove(UIElement.IsKeyboardFocusedChangedKey, value); }
        } 
 
        /// 
        ///     An event reporting that the IsKeyboardFocused property changed. 
        /// 
        protected virtual void OnIsKeyboardFocusedChanged(DependencyPropertyChangedEventArgs e)
        {
        } 

        private void RaiseIsKeyboardFocusedChanged(DependencyPropertyChangedEventArgs args) 
        { 
            // Call the virtual method first.
            OnIsKeyboardFocusedChanged(args); 

            // Raise the public event second.
            RaiseDependencyPropertyChanged(UIElement.IsKeyboardFocusedChangedKey, args);
        } 

        internal bool ReadFlag(CoreFlags field) 
        { 
            return (_flags & field) != 0;
        } 

        internal void WriteFlag(CoreFlags field,bool value)
        {
            if (value) 
            {
                 _flags |= field; 
            } 
            else
            { 
                 _flags &= (~field);
            }
        }
 
        private CoreFlags       _flags;
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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