CombinedGeometry.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Media / Generated / CombinedGeometry.cs / 1 / CombinedGeometry.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 CombinedGeometry : Geometry
    { 
        //----------------------------------------------------- 
        //
        //  Public Methods 
        //
        //-----------------------------------------------------

        #region Public Methods 

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

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

 
 

        #endregion Public Methods 

        //------------------------------------------------------
        //
        //  Public Properties 
        //
        //----------------------------------------------------- 
 
        private static void GeometryCombineModePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            CombinedGeometry target = ((CombinedGeometry) d);


            target.PropertyChanged(GeometryCombineModeProperty); 
        }
        private static void Geometry1PropertyChanged(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;
            } 
 

            CombinedGeometry target = ((CombinedGeometry) 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(Geometry1Property); 
        }
        private static void Geometry2PropertyChanged(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;
            } 


            CombinedGeometry target = ((CombinedGeometry) 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(Geometry2Property);
        }

 
        #region Public Properties
 
        ///  
        ///     GeometryCombineMode - GeometryCombineMode.  Default value is GeometryCombineMode.Union.
        ///  
        public GeometryCombineMode GeometryCombineMode
        {
            get
            { 
                return (GeometryCombineMode) GetValue(GeometryCombineModeProperty);
            } 
            set 
            {
                SetValueInternal(GeometryCombineModeProperty, value); 
            }
        }

        ///  
        ///     Geometry1 - Geometry.  Default value is Geometry.Empty.
        ///  
        public Geometry Geometry1 
        {
            get 
            {
                return (Geometry) GetValue(Geometry1Property);
            }
            set 
            {
                SetValueInternal(Geometry1Property, value); 
            } 
        }
 
        /// 
        ///     Geometry2 - Geometry.  Default value is Geometry.Empty.
        /// 
        public Geometry Geometry2 
        {
            get 
            { 
                return (Geometry) GetValue(Geometry2Property);
            } 
            set
            {
                SetValueInternal(Geometry2Property, value);
            } 
        }
 
        #endregion Public Properties 

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

        #region Protected Methods 
 
        /// 
        /// Implementation of Freezable.CreateInstanceCore. 
        /// 
        /// The new Freezable.
        protected override Freezable CreateInstanceCore()
        { 
            return new CombinedGeometry();
        } 
 

 
        #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
                Transform vTransform = Transform; 
                Geometry vGeometry1 = Geometry1;
                Geometry vGeometry2 = Geometry2;

                // Obtain handles for properties that implement DUCE.IResource 
                DUCE.ResourceHandle hTransform;
                if (vTransform == null || 
                    Object.ReferenceEquals(vTransform, Transform.Identity) 
                    )
                { 
                    hTransform = DUCE.ResourceHandle.Null;
                }
                else
                { 
                    hTransform = ((DUCE.IResource)vTransform).GetHandle(channel);
                } 
                DUCE.ResourceHandle hGeometry1 = vGeometry1 != null ? ((DUCE.IResource)vGeometry1).GetHandle(channel) : DUCE.ResourceHandle.Null; 
                DUCE.ResourceHandle hGeometry2 = vGeometry2 != null ? ((DUCE.IResource)vGeometry2).GetHandle(channel) : DUCE.ResourceHandle.Null;
 
                // Pack & send command packet
                DUCE.MILCMD_COMBINEDGEOMETRY data;
                unsafe
                { 
                    data.Type = MILCMD.MilCmdCombinedGeometry;
                    data.Handle = _duceResource.GetHandle(channel); 
                    data.hTransform = hTransform; 
                    data.GeometryCombineMode = GeometryCombineMode;
                    data.hGeometry1 = hGeometry1; 
                    data.hGeometry2 = hGeometry2;

                    // Send packed command structure
                    channel.SendCommand( 
                        (byte*)&data,
                        sizeof(DUCE.MILCMD_COMBINEDGEOMETRY)); 
                } 
            }
        } 
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel)
        {

                if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_COMBINEDGEOMETRY)) 
                {
                    Transform vTransform = Transform; 
                    if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel); 
                    Geometry vGeometry1 = Geometry1;
                    if (vGeometry1 != null) ((DUCE.IResource)vGeometry1).AddRefOnChannel(channel); 
                    Geometry vGeometry2 = Geometry2;
                    if (vGeometry2 != null) ((DUCE.IResource)vGeometry2).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)) 
                {
                    Transform vTransform = Transform;
                    if (vTransform != null) ((DUCE.IResource)vTransform).ReleaseOnChannel(channel);
                    Geometry vGeometry1 = Geometry1; 
                    if (vGeometry1 != null) ((DUCE.IResource)vGeometry1).ReleaseOnChannel(channel);
                    Geometry vGeometry2 = Geometry2; 
                    if (vGeometry2 != null) ((DUCE.IResource)vGeometry2).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
 
        //
        //  This property finds the correct initial size for the _effectiveValues store on the 
        //  current DependencyObject as a performance optimization 
        //
        //  This includes: 
        //    GeometryCombineMode
        //    Geometry1
        //    Geometry2
        // 
        internal override int EffectiveValuesInitialSize
        { 
            get 
            {
                return 3; 
            }
        }

 

        #endregion Internal Properties 
 
        //-----------------------------------------------------
        // 
        //  Dependency Properties
        //
        //------------------------------------------------------
 
        #region Dependency Properties
 
        ///  
        ///     The DependencyProperty for the CombinedGeometry.GeometryCombineMode property.
        ///  
        public static readonly DependencyProperty GeometryCombineModeProperty;
        /// 
        ///     The DependencyProperty for the CombinedGeometry.Geometry1 property.
        ///  
        public static readonly DependencyProperty Geometry1Property;
        ///  
        ///     The DependencyProperty for the CombinedGeometry.Geometry2 property. 
        /// 
        public static readonly DependencyProperty Geometry2Property; 

        #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 GeometryCombineMode c_GeometryCombineMode = GeometryCombineMode.Union; 
        internal static Geometry s_Geometry1 = Geometry.Empty;
        internal static Geometry s_Geometry2 = Geometry.Empty; 

        #endregion Internal Fields

 

        #region Constructors 
 
        //------------------------------------------------------
        // 
        //  Constructors
        //
        //-----------------------------------------------------
 
        static CombinedGeometry()
        { 
            // 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_Geometry1 == null || s_Geometry1.IsFrozen,
                "Detected context bound default value CombinedGeometry.s_Geometry1 (See OS Bug #947272)."); 

 
            Debug.Assert(s_Geometry2 == null || s_Geometry2.IsFrozen, 
                "Detected context bound default value CombinedGeometry.s_Geometry2 (See OS Bug #947272).");
 

            // Initializations
            Type typeofThis = typeof(CombinedGeometry);
            GeometryCombineModeProperty = 
                  RegisterProperty("GeometryCombineMode",
                                   typeof(GeometryCombineMode), 
                                   typeofThis, 
                                   GeometryCombineMode.Union,
                                   new PropertyChangedCallback(GeometryCombineModePropertyChanged), 
                                   new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsGeometryCombineModeValid),
                                   /* isIndependentlyAnimated  = */ false,
                                   /* coerceValueCallback */ null);
            Geometry1Property = 
                  RegisterProperty("Geometry1",
                                   typeof(Geometry), 
                                   typeofThis, 
                                   Geometry.Empty,
                                   new PropertyChangedCallback(Geometry1PropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false,
                                   /* coerceValueCallback */ null);
            Geometry2Property = 
                  RegisterProperty("Geometry2",
                                   typeof(Geometry), 
                                   typeofThis, 
                                   Geometry.Empty,
                                   new PropertyChangedCallback(Geometry2PropertyChanged), 
                                   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 CombinedGeometry : Geometry
    { 
        //----------------------------------------------------- 
        //
        //  Public Methods 
        //
        //-----------------------------------------------------

        #region Public Methods 

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

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

 
 

        #endregion Public Methods 

        //------------------------------------------------------
        //
        //  Public Properties 
        //
        //----------------------------------------------------- 
 
        private static void GeometryCombineModePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            CombinedGeometry target = ((CombinedGeometry) d);


            target.PropertyChanged(GeometryCombineModeProperty); 
        }
        private static void Geometry1PropertyChanged(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;
            } 
 

            CombinedGeometry target = ((CombinedGeometry) 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(Geometry1Property); 
        }
        private static void Geometry2PropertyChanged(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;
            } 


            CombinedGeometry target = ((CombinedGeometry) 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(Geometry2Property);
        }

 
        #region Public Properties
 
        ///  
        ///     GeometryCombineMode - GeometryCombineMode.  Default value is GeometryCombineMode.Union.
        ///  
        public GeometryCombineMode GeometryCombineMode
        {
            get
            { 
                return (GeometryCombineMode) GetValue(GeometryCombineModeProperty);
            } 
            set 
            {
                SetValueInternal(GeometryCombineModeProperty, value); 
            }
        }

        ///  
        ///     Geometry1 - Geometry.  Default value is Geometry.Empty.
        ///  
        public Geometry Geometry1 
        {
            get 
            {
                return (Geometry) GetValue(Geometry1Property);
            }
            set 
            {
                SetValueInternal(Geometry1Property, value); 
            } 
        }
 
        /// 
        ///     Geometry2 - Geometry.  Default value is Geometry.Empty.
        /// 
        public Geometry Geometry2 
        {
            get 
            { 
                return (Geometry) GetValue(Geometry2Property);
            } 
            set
            {
                SetValueInternal(Geometry2Property, value);
            } 
        }
 
        #endregion Public Properties 

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

        #region Protected Methods 
 
        /// 
        /// Implementation of Freezable.CreateInstanceCore. 
        /// 
        /// The new Freezable.
        protected override Freezable CreateInstanceCore()
        { 
            return new CombinedGeometry();
        } 
 

 
        #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
                Transform vTransform = Transform; 
                Geometry vGeometry1 = Geometry1;
                Geometry vGeometry2 = Geometry2;

                // Obtain handles for properties that implement DUCE.IResource 
                DUCE.ResourceHandle hTransform;
                if (vTransform == null || 
                    Object.ReferenceEquals(vTransform, Transform.Identity) 
                    )
                { 
                    hTransform = DUCE.ResourceHandle.Null;
                }
                else
                { 
                    hTransform = ((DUCE.IResource)vTransform).GetHandle(channel);
                } 
                DUCE.ResourceHandle hGeometry1 = vGeometry1 != null ? ((DUCE.IResource)vGeometry1).GetHandle(channel) : DUCE.ResourceHandle.Null; 
                DUCE.ResourceHandle hGeometry2 = vGeometry2 != null ? ((DUCE.IResource)vGeometry2).GetHandle(channel) : DUCE.ResourceHandle.Null;
 
                // Pack & send command packet
                DUCE.MILCMD_COMBINEDGEOMETRY data;
                unsafe
                { 
                    data.Type = MILCMD.MilCmdCombinedGeometry;
                    data.Handle = _duceResource.GetHandle(channel); 
                    data.hTransform = hTransform; 
                    data.GeometryCombineMode = GeometryCombineMode;
                    data.hGeometry1 = hGeometry1; 
                    data.hGeometry2 = hGeometry2;

                    // Send packed command structure
                    channel.SendCommand( 
                        (byte*)&data,
                        sizeof(DUCE.MILCMD_COMBINEDGEOMETRY)); 
                } 
            }
        } 
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel)
        {

                if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_COMBINEDGEOMETRY)) 
                {
                    Transform vTransform = Transform; 
                    if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel); 
                    Geometry vGeometry1 = Geometry1;
                    if (vGeometry1 != null) ((DUCE.IResource)vGeometry1).AddRefOnChannel(channel); 
                    Geometry vGeometry2 = Geometry2;
                    if (vGeometry2 != null) ((DUCE.IResource)vGeometry2).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)) 
                {
                    Transform vTransform = Transform;
                    if (vTransform != null) ((DUCE.IResource)vTransform).ReleaseOnChannel(channel);
                    Geometry vGeometry1 = Geometry1; 
                    if (vGeometry1 != null) ((DUCE.IResource)vGeometry1).ReleaseOnChannel(channel);
                    Geometry vGeometry2 = Geometry2; 
                    if (vGeometry2 != null) ((DUCE.IResource)vGeometry2).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
 
        //
        //  This property finds the correct initial size for the _effectiveValues store on the 
        //  current DependencyObject as a performance optimization 
        //
        //  This includes: 
        //    GeometryCombineMode
        //    Geometry1
        //    Geometry2
        // 
        internal override int EffectiveValuesInitialSize
        { 
            get 
            {
                return 3; 
            }
        }

 

        #endregion Internal Properties 
 
        //-----------------------------------------------------
        // 
        //  Dependency Properties
        //
        //------------------------------------------------------
 
        #region Dependency Properties
 
        ///  
        ///     The DependencyProperty for the CombinedGeometry.GeometryCombineMode property.
        ///  
        public static readonly DependencyProperty GeometryCombineModeProperty;
        /// 
        ///     The DependencyProperty for the CombinedGeometry.Geometry1 property.
        ///  
        public static readonly DependencyProperty Geometry1Property;
        ///  
        ///     The DependencyProperty for the CombinedGeometry.Geometry2 property. 
        /// 
        public static readonly DependencyProperty Geometry2Property; 

        #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 GeometryCombineMode c_GeometryCombineMode = GeometryCombineMode.Union; 
        internal static Geometry s_Geometry1 = Geometry.Empty;
        internal static Geometry s_Geometry2 = Geometry.Empty; 

        #endregion Internal Fields

 

        #region Constructors 
 
        //------------------------------------------------------
        // 
        //  Constructors
        //
        //-----------------------------------------------------
 
        static CombinedGeometry()
        { 
            // 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_Geometry1 == null || s_Geometry1.IsFrozen,
                "Detected context bound default value CombinedGeometry.s_Geometry1 (See OS Bug #947272)."); 

 
            Debug.Assert(s_Geometry2 == null || s_Geometry2.IsFrozen, 
                "Detected context bound default value CombinedGeometry.s_Geometry2 (See OS Bug #947272).");
 

            // Initializations
            Type typeofThis = typeof(CombinedGeometry);
            GeometryCombineModeProperty = 
                  RegisterProperty("GeometryCombineMode",
                                   typeof(GeometryCombineMode), 
                                   typeofThis, 
                                   GeometryCombineMode.Union,
                                   new PropertyChangedCallback(GeometryCombineModePropertyChanged), 
                                   new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsGeometryCombineModeValid),
                                   /* isIndependentlyAnimated  = */ false,
                                   /* coerceValueCallback */ null);
            Geometry1Property = 
                  RegisterProperty("Geometry1",
                                   typeof(Geometry), 
                                   typeofThis, 
                                   Geometry.Empty,
                                   new PropertyChangedCallback(Geometry1PropertyChanged), 
                                   null,
                                   /* isIndependentlyAnimated  = */ false,
                                   /* coerceValueCallback */ null);
            Geometry2Property = 
                  RegisterProperty("Geometry2",
                                   typeof(Geometry), 
                                   typeofThis, 
                                   Geometry.Empty,
                                   new PropertyChangedCallback(Geometry2PropertyChanged), 
                                   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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