RoutedEvent.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / RoutedEvent.cs / 1 / RoutedEvent.cs
                        

                        
                            using System; 
using System.ComponentModel;
using System.Windows.Markup;
using System.Globalization;
 
namespace System.Windows
{ 
    ///  
    ///     RoutedEvent is a unique identifier for
    ///     any registered RoutedEvent 
    /// 
    /// 
    ///     RoutedEvent constitutes the 
    ///     ,  
    ///     , 
    ///      and  
    ///       
    ///     
    /// 
    ///     NOTE: None of the members can be null
    /// 
    /// 
    [TypeConverter("System.Windows.Markup.RoutedEventConverter, PresentationFramework, Version=" + Microsoft.Internal.BuildInfo.WCP_VERSION + ", Culture=neutral, PublicKeyToken=" + Microsoft.Internal.BuildInfo.WCP_PUBLIC_KEY_TOKEN + ", Custom=null")] 
    [ValueSerializer("System.Windows.Markup.RoutedEventValueSerializer, PresentationFramework, Version=" + Microsoft.Internal.BuildInfo.WCP_VERSION + ", Culture=neutral, PublicKeyToken=" + Microsoft.Internal.BuildInfo.WCP_PUBLIC_KEY_TOKEN + ", Custom=null")]
    public sealed class RoutedEvent 
    { 
        #region External API
        ///  
        ///     Associate another owner type with this event.
        /// 
        /// 
        ///     The owner type is used when resolving an event by name. 
        /// 
        /// Additional owner type 
        /// This event. 
        public RoutedEvent AddOwner(Type ownerType)
        { 
            GlobalEventManager.AddOwner(this, ownerType);
            return this;
        }
 
        /// 
        ///     Returns the Name of the RoutedEvent 
        ///  
        /// 
        ///     RoutedEvent Name is unique within the 
        ///     OwnerType (super class types not considered
        ///     when talking about uniqueness)
        /// 
        ///  
        public string Name
        { 
            get {return _name;} 
        }
 
        /// 
        ///     Returns the 
        ///     of the RoutedEvent
        ///  
        /// 
        public RoutingStrategy RoutingStrategy 
        { 
            get {return _routingStrategy;}
        } 

        /// 
        ///     Returns Type of Handler for the RoutedEvent
        ///  
        /// 
        ///     HandlerType is a type of delegate 
        ///  
        /// 
        public Type HandlerType 
        {
            get {return _handlerType;}
        }
 
        // Check to see if the given delegate is a legal handler for this type.
        //  It either needs to be a type that the registering class knows how to 
        //  handle, or a RoutedEventHandler which we can handle without the help 
        //  of the registering class.
        internal bool IsLegalHandler( Delegate handler ) 
        {
            Type handlerType = handler.GetType();

            return ( (handlerType == HandlerType) || 
                     (handlerType == typeof(RoutedEventHandler) ) );
        } 
 
        /// 
        ///     Returns Type of Owner for the RoutedEvent 
        /// 
        /// 
        ///     OwnerType is any object type
        ///  
        /// 
        public Type OwnerType 
        { 
            get {return _ownerType;}
        } 

        /// 
        ///    String representation
        ///  
        public override string ToString()
        { 
            return string.Format(CultureInfo.InvariantCulture, "{0}.{1}", _ownerType.Name, _name ); 
        }
 
        #endregion External API

        #region Construction
 
        // Constructor for a RoutedEvent (is internal
        // to the EventManager and is onvoked when a new 
        // RoutedEvent is registered) 
        internal RoutedEvent(
            string name, 
            RoutingStrategy routingStrategy,
            Type handlerType,
            Type ownerType)
        { 
            _name = name;
            _routingStrategy = routingStrategy; 
            _handlerType = handlerType; 
            _ownerType = ownerType;
 
            _globalIndex = GlobalEventManager.GetNextAvailableGlobalIndex(this);
        }

        ///  
        ///    Index in GlobalEventManager
        ///  
        internal int GlobalIndex 
        {
            get { return _globalIndex; } 
        }
        #endregion Construction

        #region Data 

        private string _name; 
        private RoutingStrategy _routingStrategy; 
        private Type _handlerType;
        private Type _ownerType; 

        private int _globalIndex;

        #endregion Data 
    }
} 
 

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

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