GeometryDrawing.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media / Generated / GeometryDrawing.cs / 2 / GeometryDrawing.cs

                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see http://wiki/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 GeometryDrawing : Drawing
    { 
        //----------------------------------------------------- 
        //
        //  Public Methods 
        //
        //-----------------------------------------------------

        #region Public Methods 

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

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

 
 

        #endregion Public Methods 

        //------------------------------------------------------
        //
        //  Public Properties 
        //
        //----------------------------------------------------- 
 
        private static void BrushPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 



 
            // The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
            // will promote the property value from a default value to a local value. This is technically a sub-property 
            // change because the collection was changed and not a new collection set (GeometryGroup.Children. 
            // Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
            // the default value to the compositor. If the property changes from a default value, the new local value 
            // needs to be marshalled to the compositor. We detect this scenario with the second condition
            // e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
            // Default and the NewValueSource will be Local.
            if (e.IsASubPropertyChange && 
               (e.OldValueSource == e.NewValueSource))
            { 
                return; 
            }
 

            GeometryDrawing target = ((GeometryDrawing) d);

 
            Brush oldV = (Brush) e.OldValue;
            Brush newV = (Brush) 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(BrushProperty); 
        }
        private static void PenPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
 

 
 
            // The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
            // will promote the property value from a default value to a local value. This is technically a sub-property 
            // change because the collection was changed and not a new collection set (GeometryGroup.Children.
            // Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
            // the default value to the compositor. If the property changes from a default value, the new local value
            // needs to be marshalled to the compositor. We detect this scenario with the second condition 
            // e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
            // Default and the NewValueSource will be Local. 
            if (e.IsASubPropertyChange && 
               (e.OldValueSource == e.NewValueSource))
            { 
                return;
            }

 
            GeometryDrawing target = ((GeometryDrawing) d);
 
 
            Pen oldV = (Pen) e.OldValue;
            Pen newV = (Pen) 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(PenProperty);
        } 
        private static void GeometryPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
 

 

            // The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
            // will promote the property value from a default value to a local value. This is technically a sub-property
            // change because the collection was changed and not a new collection set (GeometryGroup.Children. 
            // Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
            // the default value to the compositor. If the property changes from a default value, the new local value 
            // needs to be marshalled to the compositor. We detect this scenario with the second condition 
            // e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
            // Default and the NewValueSource will be Local. 
            if (e.IsASubPropertyChange &&
               (e.OldValueSource == e.NewValueSource))
            {
                return; 
            }
 
 
            GeometryDrawing target = ((GeometryDrawing) d);
 

            Geometry oldV = (Geometry) e.OldValue;
            Geometry newV = (Geometry) 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(GeometryProperty); 
        } 

 
        #region Public Properties

        /// 
        ///     Brush - Brush.  Default value is null. 
        /// 
        public Brush Brush 
        { 
            get
            { 
                return (Brush) GetValue(BrushProperty);
            }
            set
            { 
                SetValueInternal(BrushProperty, value);
            } 
        } 

        ///  
        ///     Pen - Pen.  Default value is null.
        /// 
        public Pen Pen
        { 
            get
            { 
                return (Pen) GetValue(PenProperty); 
            }
            set 
            {
                SetValueInternal(PenProperty, value);
            }
        } 

        ///  
        ///     Geometry - Geometry.  Default value is null. 
        /// 
        public Geometry Geometry 
        {
            get
            {
                return (Geometry) GetValue(GeometryProperty); 
            }
            set 
            { 
                SetValueInternal(GeometryProperty, value);
            } 
        }

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

        #region Protected Methods

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

 

        #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 
                Brush vBrush = Brush;
                Pen vPen = Pen; 
                Geometry vGeometry = Geometry; 

                // Obtain handles for properties that implement DUCE.IResource 
                DUCE.ResourceHandle hBrush = vBrush != null ? ((DUCE.IResource)vBrush).GetHandle(channel) : DUCE.ResourceHandle.Null;
                DUCE.ResourceHandle hPen = vPen != null ? ((DUCE.IResource)vPen).GetHandle(channel) : DUCE.ResourceHandle.Null;
                DUCE.ResourceHandle hGeometry = vGeometry != null ? ((DUCE.IResource)vGeometry).GetHandle(channel) : DUCE.ResourceHandle.Null;
 
                // Pack & send command packet
                DUCE.MILCMD_GEOMETRYDRAWING data; 
                unsafe 
                {
                    data.Type = MILCMD.MilCmdGeometryDrawing; 
                    data.Handle = _duceResource.GetHandle(channel);
                    data.hBrush = hBrush;
                    data.hPen = hPen;
                    data.hGeometry = hGeometry; 

                    // Send packed command structure 
                    channel.SendCommand( 
                        (byte*)&data,
                        sizeof(DUCE.MILCMD_GEOMETRYDRAWING)); 
                }
            }
        }
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel) 
        {
 
                if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_GEOMETRYDRAWING)) 
                {
                    Brush vBrush = Brush; 
                    if (vBrush != null) ((DUCE.IResource)vBrush).AddRefOnChannel(channel);
                    Pen vPen = Pen;
                    if (vPen != null) ((DUCE.IResource)vPen).AddRefOnChannel(channel);
                    Geometry vGeometry = Geometry; 
                    if (vGeometry != null) ((DUCE.IResource)vGeometry).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))
                { 
                    Brush vBrush = Brush;
                    if (vBrush != null) ((DUCE.IResource)vBrush).ReleaseOnChannel(channel); 
                    Pen vPen = Pen; 
                    if (vPen != null) ((DUCE.IResource)vPen).ReleaseOnChannel(channel);
                    Geometry vGeometry = Geometry; 
                    if (vGeometry != null) ((DUCE.IResource)vGeometry).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 GeometryDrawing.Brush property.
        ///  
        public static readonly DependencyProperty BrushProperty; 
        /// 
        ///     The DependencyProperty for the GeometryDrawing.Pen property. 
        /// 
        public static readonly DependencyProperty PenProperty;
        /// 
        ///     The DependencyProperty for the GeometryDrawing.Geometry property. 
        /// 
        public static readonly DependencyProperty GeometryProperty; 
 
        #endregion Dependency Properties
 
        //-----------------------------------------------------
        //
        //  Internal Fields
        // 
        //------------------------------------------------------
 
        #region Internal Fields 

 

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

 

        #endregion Internal Fields 
 

 
        #region Constructors

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

        static GeometryDrawing() 
        {
            // 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)
            // 
 

            // Initializations 
            Type typeofThis = typeof(GeometryDrawing);
            BrushProperty =
                  RegisterProperty("Brush",
                                   typeof(Brush), 
                                   typeofThis,
                                   null, 
                                   new PropertyChangedCallback(BrushPropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false, 
                                   /* coerceValueCallback */ null);
            PenProperty =
                  RegisterProperty("Pen",
                                   typeof(Pen), 
                                   typeofThis,
                                   null, 
                                   new PropertyChangedCallback(PenPropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false, 
                                   /* coerceValueCallback */ null);
            GeometryProperty =
                  RegisterProperty("Geometry",
                                   typeof(Geometry), 
                                   typeofThis,
                                   null, 
                                   new PropertyChangedCallback(GeometryPropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false, 
                                   /* coerceValueCallback */ null);
        }

 

        #endregion Constructors 
 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see http://wiki/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 GeometryDrawing : Drawing
    { 
        //----------------------------------------------------- 
        //
        //  Public Methods 
        //
        //-----------------------------------------------------

        #region Public Methods 

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

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

 
 

        #endregion Public Methods 

        //------------------------------------------------------
        //
        //  Public Properties 
        //
        //----------------------------------------------------- 
 
        private static void BrushPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 



 
            // The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
            // will promote the property value from a default value to a local value. This is technically a sub-property 
            // change because the collection was changed and not a new collection set (GeometryGroup.Children. 
            // Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
            // the default value to the compositor. If the property changes from a default value, the new local value 
            // needs to be marshalled to the compositor. We detect this scenario with the second condition
            // e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
            // Default and the NewValueSource will be Local.
            if (e.IsASubPropertyChange && 
               (e.OldValueSource == e.NewValueSource))
            { 
                return; 
            }
 

            GeometryDrawing target = ((GeometryDrawing) d);

 
            Brush oldV = (Brush) e.OldValue;
            Brush newV = (Brush) 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(BrushProperty); 
        }
        private static void PenPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
 

 
 
            // The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
            // will promote the property value from a default value to a local value. This is technically a sub-property 
            // change because the collection was changed and not a new collection set (GeometryGroup.Children.
            // Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
            // the default value to the compositor. If the property changes from a default value, the new local value
            // needs to be marshalled to the compositor. We detect this scenario with the second condition 
            // e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
            // Default and the NewValueSource will be Local. 
            if (e.IsASubPropertyChange && 
               (e.OldValueSource == e.NewValueSource))
            { 
                return;
            }

 
            GeometryDrawing target = ((GeometryDrawing) d);
 
 
            Pen oldV = (Pen) e.OldValue;
            Pen newV = (Pen) 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(PenProperty);
        } 
        private static void GeometryPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
 

 

            // The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
            // will promote the property value from a default value to a local value. This is technically a sub-property
            // change because the collection was changed and not a new collection set (GeometryGroup.Children. 
            // Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
            // the default value to the compositor. If the property changes from a default value, the new local value 
            // needs to be marshalled to the compositor. We detect this scenario with the second condition 
            // e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
            // Default and the NewValueSource will be Local. 
            if (e.IsASubPropertyChange &&
               (e.OldValueSource == e.NewValueSource))
            {
                return; 
            }
 
 
            GeometryDrawing target = ((GeometryDrawing) d);
 

            Geometry oldV = (Geometry) e.OldValue;
            Geometry newV = (Geometry) 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(GeometryProperty); 
        } 

 
        #region Public Properties

        /// 
        ///     Brush - Brush.  Default value is null. 
        /// 
        public Brush Brush 
        { 
            get
            { 
                return (Brush) GetValue(BrushProperty);
            }
            set
            { 
                SetValueInternal(BrushProperty, value);
            } 
        } 

        ///  
        ///     Pen - Pen.  Default value is null.
        /// 
        public Pen Pen
        { 
            get
            { 
                return (Pen) GetValue(PenProperty); 
            }
            set 
            {
                SetValueInternal(PenProperty, value);
            }
        } 

        ///  
        ///     Geometry - Geometry.  Default value is null. 
        /// 
        public Geometry Geometry 
        {
            get
            {
                return (Geometry) GetValue(GeometryProperty); 
            }
            set 
            { 
                SetValueInternal(GeometryProperty, value);
            } 
        }

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

        #region Protected Methods

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

 

        #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 
                Brush vBrush = Brush;
                Pen vPen = Pen; 
                Geometry vGeometry = Geometry; 

                // Obtain handles for properties that implement DUCE.IResource 
                DUCE.ResourceHandle hBrush = vBrush != null ? ((DUCE.IResource)vBrush).GetHandle(channel) : DUCE.ResourceHandle.Null;
                DUCE.ResourceHandle hPen = vPen != null ? ((DUCE.IResource)vPen).GetHandle(channel) : DUCE.ResourceHandle.Null;
                DUCE.ResourceHandle hGeometry = vGeometry != null ? ((DUCE.IResource)vGeometry).GetHandle(channel) : DUCE.ResourceHandle.Null;
 
                // Pack & send command packet
                DUCE.MILCMD_GEOMETRYDRAWING data; 
                unsafe 
                {
                    data.Type = MILCMD.MilCmdGeometryDrawing; 
                    data.Handle = _duceResource.GetHandle(channel);
                    data.hBrush = hBrush;
                    data.hPen = hPen;
                    data.hGeometry = hGeometry; 

                    // Send packed command structure 
                    channel.SendCommand( 
                        (byte*)&data,
                        sizeof(DUCE.MILCMD_GEOMETRYDRAWING)); 
                }
            }
        }
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel) 
        {
 
                if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_GEOMETRYDRAWING)) 
                {
                    Brush vBrush = Brush; 
                    if (vBrush != null) ((DUCE.IResource)vBrush).AddRefOnChannel(channel);
                    Pen vPen = Pen;
                    if (vPen != null) ((DUCE.IResource)vPen).AddRefOnChannel(channel);
                    Geometry vGeometry = Geometry; 
                    if (vGeometry != null) ((DUCE.IResource)vGeometry).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))
                { 
                    Brush vBrush = Brush;
                    if (vBrush != null) ((DUCE.IResource)vBrush).ReleaseOnChannel(channel); 
                    Pen vPen = Pen; 
                    if (vPen != null) ((DUCE.IResource)vPen).ReleaseOnChannel(channel);
                    Geometry vGeometry = Geometry; 
                    if (vGeometry != null) ((DUCE.IResource)vGeometry).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 GeometryDrawing.Brush property.
        ///  
        public static readonly DependencyProperty BrushProperty; 
        /// 
        ///     The DependencyProperty for the GeometryDrawing.Pen property. 
        /// 
        public static readonly DependencyProperty PenProperty;
        /// 
        ///     The DependencyProperty for the GeometryDrawing.Geometry property. 
        /// 
        public static readonly DependencyProperty GeometryProperty; 
 
        #endregion Dependency Properties
 
        //-----------------------------------------------------
        //
        //  Internal Fields
        // 
        //------------------------------------------------------
 
        #region Internal Fields 

 

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

 

        #endregion Internal Fields 
 

 
        #region Constructors

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

        static GeometryDrawing() 
        {
            // 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)
            // 
 

            // Initializations 
            Type typeofThis = typeof(GeometryDrawing);
            BrushProperty =
                  RegisterProperty("Brush",
                                   typeof(Brush), 
                                   typeofThis,
                                   null, 
                                   new PropertyChangedCallback(BrushPropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false, 
                                   /* coerceValueCallback */ null);
            PenProperty =
                  RegisterProperty("Pen",
                                   typeof(Pen), 
                                   typeofThis,
                                   null, 
                                   new PropertyChangedCallback(PenPropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false, 
                                   /* coerceValueCallback */ null);
            GeometryProperty =
                  RegisterProperty("Geometry",
                                   typeof(Geometry), 
                                   typeofThis,
                                   null, 
                                   new PropertyChangedCallback(GeometryPropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false, 
                                   /* coerceValueCallback */ null);
        }

 

        #endregion Constructors 
 
    }
} 

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

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