DashStyle.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Generated / DashStyle.cs / 2 / DashStyle.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.Collections;
using MS.Internal.PresentationCore; 
using MS.Utility; 
using System;
using System.Collections; 
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization; 
using System.Reflection;
using System.Runtime.InteropServices; 
using System.ComponentModel.Design.Serialization; 
using System.Text;
using System.Windows; 
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation; 
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging; 
using System.Windows.Markup; 
using System.Windows.Media.Converters;
using System.Security; 
using System.Security.Permissions;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
// These types are aliased to match the unamanaged names used in interop 
using BOOL = System.UInt32;
using WORD = System.UInt16; 
using Float = System.Single; 

namespace System.Windows.Media 
{


 
    sealed partial class DashStyle : Animatable, DUCE.IResource
    { 
        #region Constructors 

        //----------------------------------------------------- 
        //
        //  Constructors
        //
        //----------------------------------------------------- 

        static DashStyle() 
        { 
            // We check our static default fields which are of type Freezable
            // to make sure that they are not mutable, otherwise we will throw 
            // if these get touched by more than one thread in the lifetime
            // of your app.  (Windows OS Bug #947272)
            //
            Debug.Assert(s_Dashes == null || s_Dashes.IsFrozen, 
                "Detected context bound default value DashStyle.s_Dashes (See OS Bug #947272).");
 
        } 

 

        #endregion Constructors

        //------------------------------------------------------ 
        //
        //  Public Methods 
        // 
        //-----------------------------------------------------
 
        #region Public Methods

        /// 
        ///     Shadows inherited Clone() with a strongly typed 
        ///     version for convenience.
        ///  
        public new DashStyle Clone() 
        {
            return (DashStyle)base.Clone(); 
        }

        /// 
        ///     Shadows inherited CloneCurrentValue() with a strongly typed 
        ///     version for convenience.
        ///  
        public new DashStyle CloneCurrentValue() 
        {
            return (DashStyle)base.CloneCurrentValue(); 
        }


 

        #endregion Public Methods 
 
        //------------------------------------------------------
        // 
        //  Public Properties
        //
        //------------------------------------------------------
 
        private static void OffsetPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            DashStyle target = ((DashStyle) d); 

 
            target.PropertyChanged(OffsetProperty);
        }
        private static void DashesPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 

 
 

            DashStyle target = ((DashStyle) d); 


            target.PropertyChanged(DashesProperty);
        } 

 
        #region Public Properties 

        ///  
        ///     Offset - double.  Default value is 0.0.
        /// 
        public double Offset
        { 
            get
            { 
                return (double) GetValue(OffsetProperty); 
            }
            set 
            {
                SetValueInternal(OffsetProperty, value);
            }
        } 

        ///  
        ///     Dashes - DoubleCollection.  Default value is new FreezableDefaultValueFactory(DoubleCollection.Empty). 
        /// 
        public DoubleCollection Dashes 
        {
            get
            {
                return (DoubleCollection) GetValue(DashesProperty); 
            }
            set 
            { 
                SetValueInternal(DashesProperty, value);
            } 
        }

        #endregion Public Properties
 
        //-----------------------------------------------------
        // 
        //  Protected Methods 
        //
        //------------------------------------------------------ 

        #region Protected Methods

        ///  
        /// Implementation of Freezable.CreateInstanceCore.
        ///  
        /// The new Freezable. 
        protected override Freezable CreateInstanceCore()
        { 
            return new DashStyle();
        }

 

        #endregion ProtectedMethods 
 
        //-----------------------------------------------------
        // 
        //  Internal Methods
        //
        //-----------------------------------------------------
 
        #region Internal Methods
 
        ///  
        ///     Critical: This code calls into an unsafe code block
        ///     TreatAsSafe: This code does not return any critical data.It is ok to expose 
        ///     Channels are safe to call into and do not go cross domain and cross process
        /// 
        [SecurityCritical,SecurityTreatAsSafe]
        internal override void UpdateResource(DUCE.Channel channel, bool skipOnChannelCheck) 
        {
            // If we're told we can skip the channel check, then we must be on channel 
            Debug.Assert(!skipOnChannelCheck || _duceResource.IsOnChannel(channel)); 

            if (skipOnChannelCheck || _duceResource.IsOnChannel(channel)) 
            {
                base.UpdateResource(channel, skipOnChannelCheck);

                // Read values of properties into local variables 
                DoubleCollection vDashes = Dashes;
 
                // Obtain handles for animated properties 
                DUCE.ResourceHandle hOffsetAnimations = GetAnimationResourceHandle(OffsetProperty, channel);
 
                // Store the count of this resource's contained collections in local variables.
                int DashesCount = (vDashes == null) ? 0 : vDashes.Count;

                // Pack & send command packet 
                DUCE.MILCMD_DASHSTYLE data;
                unsafe 
                { 
                    data.Type = MILCMD.MilCmdDashStyle;
                    data.Handle = _duceResource.GetHandle(channel); 
                    if (hOffsetAnimations.IsNull)
                    {
                        data.Offset = Offset;
                    } 
                    data.hOffsetAnimations = hOffsetAnimations;
                    data.DashesSize = (uint)(sizeof(Double) * DashesCount); 
 
                    channel.BeginCommand(
                        (byte*)&data, 
                        sizeof(DUCE.MILCMD_DASHSTYLE),
                        (int)(data.DashesSize)
                        );
 

                    // Copy this collection's elements (or their handles) to reserved data 
                    for(int i = 0; i < DashesCount; i++) 
                    {
                        Double resource = vDashes.Internal_GetItem(i); 
                        channel.AppendCommandData(
                            (byte*)&resource,
                            sizeof(Double)
                            ); 
                    }
 
                    channel.EndCommand(); 
                }
            } 
        }
        DUCE.ResourceHandle DUCE.IResource.AddRefOnChannel(DUCE.Channel channel)
        {
            using (CompositionEngineLock.Acquire()) 
            {
                if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_DASHSTYLE)) 
                { 

 
                    AddRefOnChannelAnimations(channel);


                    UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ ); 
                }
 
                return _duceResource.GetHandle(channel); 
            }
        } 
        void DUCE.IResource.ReleaseOnChannel(DUCE.Channel channel)
        {
            using (CompositionEngineLock.Acquire())
            { 
                Debug.Assert(_duceResource.IsOnChannel(channel));
 
                if (_duceResource.ReleaseOnChannel(channel)) 
                {
 

                    ReleaseOnChannelAnimations(channel);

                } 
            }
        } 
        DUCE.ResourceHandle DUCE.IResource.GetHandle(DUCE.Channel channel) 
        {
            DUCE.ResourceHandle h; 
            // Reconsider the need for this lock when removing the MultiChannelResource.
            using (CompositionEngineLock.Acquire())
            {
                h = _duceResource.GetHandle(channel); 
            }
            return h; 
        } 
        int DUCE.IResource.GetChannelCount()
        { 
            // must already be in composition lock here
            return _duceResource.GetChannelCount();
        }
        DUCE.Channel DUCE.IResource.GetChannel(int index) 
        {
            // in a lock already 
            return _duceResource.GetChannel(index); 
        }
 

        #endregion Internal Methods

        //----------------------------------------------------- 
        //
        //  Internal Properties 
        // 
        //------------------------------------------------------
 
        #region Internal Properties

        //
        //  This property finds the correct initial size for the _effectiveValues store on the 
        //  current DependencyObject as a performance optimization
        // 
        //  This includes: 
        //    Dashes
        // 
        internal override int EffectiveValuesInitialSize
        {
            get
            { 
                return 1;
            } 
        } 

 

        #endregion Internal Properties

        //----------------------------------------------------- 
        //
        //  Dependency Properties 
        // 
        //------------------------------------------------------
 
        #region Dependency Properties

        /// 
        ///     The DependencyProperty for the DashStyle.Offset property. 
        /// 
        public static readonly DependencyProperty OffsetProperty 
            = RegisterProperty("Offset", 
                               typeof(double),
                               typeof(DashStyle), 
                               0.0,
                               new PropertyChangedCallback(OffsetPropertyChanged),
                               null,
                               /* isIndependentlyAnimated  = */ true, 
                               /* coerceValueCallback */ null);
        ///  
        ///     The DependencyProperty for the DashStyle.Dashes property. 
        /// 
        public static readonly DependencyProperty DashesProperty 
            = RegisterProperty("Dashes",
                               typeof(DoubleCollection),
                               typeof(DashStyle),
                               new FreezableDefaultValueFactory(DoubleCollection.Empty), 
                               new PropertyChangedCallback(DashesPropertyChanged),
                               null, 
                               /* isIndependentlyAnimated  = */ false, 
                               /* coerceValueCallback */ null);
 
        #endregion Dependency Properties

        //------------------------------------------------------
        // 
        //  Internal Fields
        // 
        //----------------------------------------------------- 

        #region Internal Fields 



        internal System.Windows.Media.Composition.DUCE.MultiChannelResource _duceResource = new System.Windows.Media.Composition.DUCE.MultiChannelResource(); 

        internal const double c_Offset = 0.0; 
        internal static DoubleCollection s_Dashes = DoubleCollection.Empty; 

        #endregion Internal Fields 


    }
} 

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