VideoDrawing.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 / VideoDrawing.cs / 2 / VideoDrawing.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 VideoDrawing : Drawing
    { 
        #region Constructors 

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

 
 

        #endregion Constructors 

        //------------------------------------------------------
        //
        //  Public Methods 
        //
        //----------------------------------------------------- 
 
        #region Public Methods
 
        /// 
        ///     Shadows inherited Clone() with a strongly typed
        ///     version for convenience.
        ///  
        public new VideoDrawing Clone()
        { 
            return (VideoDrawing)base.Clone(); 
        }
 
        /// 
        ///     Shadows inherited CloneCurrentValue() with a strongly typed
        ///     version for convenience.
        ///  
        public new VideoDrawing CloneCurrentValue()
        { 
            return (VideoDrawing)base.CloneCurrentValue(); 
        }
 



        #endregion Public Methods 

        //------------------------------------------------------ 
        // 
        //  Public Properties
        // 
        //------------------------------------------------------

        private static void PlayerPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            VideoDrawing target = ((VideoDrawing) d);
 
 
            MediaPlayer oldV = (MediaPlayer) e.OldValue;
            MediaPlayer newV = (MediaPlayer) e.NewValue; 
            System.Windows.Threading.Dispatcher dispatcher = target.Dispatcher;

            if (dispatcher != null)
            { 
                DUCE.IResource targetResource = (DUCE.IResource)target;
                using (CompositionEngineLock.Acquire()) 
                { 
                    int channelCount = targetResource.GetChannelCount();
 
                    for (int channelIndex = 0; channelIndex < channelCount; channelIndex++)
                    {
                        DUCE.Channel channel = targetResource.GetChannel(channelIndex);
                        Debug.Assert(!channel.IsOutOfBandChannel); 
                        Debug.Assert(!targetResource.GetHandle(channel).IsNull);
                        target.ReleaseResource(oldV,channel); 
                        target.AddRefResource(newV,channel); 
                    }
                } 
            }

            target.PropertyChanged(PlayerProperty);
        } 
        private static void RectPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            VideoDrawing target = ((VideoDrawing) d); 

 
            target.PropertyChanged(RectProperty);
        }

 
        #region Public Properties
 
        ///  
        ///     Player - MediaPlayer.  Default value is null.
        ///  
        public MediaPlayer Player
        {
            get
            { 
                return (MediaPlayer) GetValue(PlayerProperty);
            } 
            set 
            {
                SetValueInternal(PlayerProperty, value); 
            }
        }

        ///  
        ///     Rect - Rect.  Default value is Rect.Empty.
        ///  
        public Rect Rect 
        {
            get 
            {
                return (Rect) GetValue(RectProperty);
            }
            set 
            {
                SetValueInternal(RectProperty, value); 
            } 
        }
 
        #endregion Public Properties

        //-----------------------------------------------------
        // 
        //  Protected Methods
        // 
        //------------------------------------------------------ 

        #region Protected Methods 

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



        #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
                MediaPlayer vPlayer = Player;
 
                // Obtain handles for properties that implement DUCE.IResource
                DUCE.ResourceHandle hPlayer = vPlayer != null ? ((DUCE.IResource)vPlayer).GetHandle(channel) : DUCE.ResourceHandle.Null; 
 
                // Obtain handles for animated properties
                DUCE.ResourceHandle hRectAnimations = GetAnimationResourceHandle(RectProperty, channel); 

                // Pack & send command packet
                DUCE.MILCMD_VIDEODRAWING data;
                unsafe 
                {
                    data.Type = MILCMD.MilCmdVideoDrawing; 
                    data.Handle = _duceResource.GetHandle(channel); 
                    data.hPlayer = hPlayer;
                    if (hRectAnimations.IsNull) 
                    {
                        data.Rect = Rect;
                    }
                    data.hRectAnimations = hRectAnimations; 

                    // Send packed command structure 
                    channel.SendCommand( 
                        (byte*)&data,
                        sizeof(DUCE.MILCMD_VIDEODRAWING)); 
                }
            }
        }
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel) 
        {
 
                if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_VIDEODRAWING)) 
                {
                    MediaPlayer vPlayer = Player; 
                    if (vPlayer != null) ((DUCE.IResource)vPlayer).AddRefOnChannel(channel);

                    AddRefOnChannelAnimations(channel);
 

                    UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ ); 
                } 

                return _duceResource.GetHandle(channel); 

        }
        internal override void ReleaseOnChannelCore(DUCE.Channel channel)
        { 

                Debug.Assert(_duceResource.IsOnChannel(channel)); 
 
                if (_duceResource.ReleaseOnChannel(channel))
                { 
                    MediaPlayer vPlayer = Player;
                    if (vPlayer != null) ((DUCE.IResource)vPlayer).ReleaseOnChannel(channel);

                    ReleaseOnChannelAnimations(channel); 

                } 
 
        }
        internal override DUCE.ResourceHandle GetHandleCore(DUCE.Channel channel) 
        {
            // Note that we are in a lock here already.
            return _duceResource.GetHandle(channel);
        } 
        internal override int GetChannelCountCore()
        { 
            // must already be in composition lock here 
            return _duceResource.GetChannelCount();
        } 
        internal override DUCE.Channel GetChannelCore(int index)
        {
            // Note that we are in a lock here already.
            return _duceResource.GetChannel(index); 
        }
 
 
        #endregion Internal Methods
 
        //-----------------------------------------------------
        //
        //  Internal Properties
        // 
        //------------------------------------------------------
 
        #region Internal Properties 

 



        #endregion Internal Properties 

        //----------------------------------------------------- 
        // 
        //  Dependency Properties
        // 
        //------------------------------------------------------

        #region Dependency Properties
 
        /// 
        ///     The DependencyProperty for the VideoDrawing.Player property. 
        ///  
        public static readonly DependencyProperty PlayerProperty
            = RegisterProperty("Player", 
                               typeof(MediaPlayer),
                               typeof(VideoDrawing),
                               null,
                               new PropertyChangedCallback(PlayerPropertyChanged), 
                               null,
                               /* isIndependentlyAnimated  = */ false, 
                               /* coerceValueCallback */ null); 
        /// 
        ///     The DependencyProperty for the VideoDrawing.Rect property. 
        /// 
        public static readonly DependencyProperty RectProperty
            = RegisterProperty("Rect",
                               typeof(Rect), 
                               typeof(VideoDrawing),
                               Rect.Empty, 
                               new PropertyChangedCallback(RectPropertyChanged), 
                               null,
                               /* isIndependentlyAnimated  = */ true, 
                               /* 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 static Rect s_Rect = Rect.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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