UnsafeNativeMethodsMilCoreApi.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / UnsafeNativeMethodsMilCoreApi.cs / 4 / UnsafeNativeMethodsMilCoreApi.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
//  ABOUT THIS FILE:
//   -- This file contains native methods which are deemed NOT SAFE in the sense that any usage of them 
//      must be carefully reviewed.   FXCop will flag callers of these for review. 
//   -- These methods DO have the SuppressUnmanagedCodeSecurity attribute which means stalk walks for unmanaged
//      code will stop with the immediate caler. 
//   -- Put methods in here when a stack walk is innappropriate due to performance concerns
//   -- If you have questions about how to use this file, email avsee
//-----------------------------------------------------------------------------
 
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes; 
using System.Runtime.ConstrainedExecution; 
using System;
using MS.Internal; 
using System.Security;
using System.Security.Permissions;
using System.Collections;
using System.IO; 
using System.Text;
using System.Windows.Media.Composition; 
using System.Windows.Media; 
using System.Windows.Media.Imaging;
using System.Windows; 
using Microsoft.Internal;
using MS.Win32;
using IComDataObject = System.Runtime.InteropServices.ComTypes.IDataObject;
 
#pragma warning disable 1634, 1691  // suppressing PreSharp warnings
 
namespace MS.Win32.PresentationCore 
{
    internal static partial class UnsafeNativeMethods 
    {
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class MilCoreApi
        { 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.MilCore, EntryPoint = "MilCompositionEngine_EnterCompositionEngineLock")]
            internal static extern void EnterCompositionEngineLock(); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.MilCore, EntryPoint = "MilCompositionEngine_ExitCompositionEngineLock")]
            internal static extern void ExitCompositionEngineLock(); 
 
            [DllImport(DllImport.MilCore, EntryPoint = "MilCompositionEngine_EnterMediaSystemLock")]
            internal static extern void EnterMediaSystemLock(); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.MilCore, EntryPoint = "MilCompositionEngine_ExitMediaSystemLock")]
            internal static extern void ExitMediaSystemLock(); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.MilCore)]
            internal static extern int MilVersionCheck(
                uint uiCallerMilSdkVersion 
             );
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.MilCore)]
            internal static extern int MilTransport_InitializeConnectionManager(
                IntPtr pSurfManager,
                out IntPtr ppTransportManager 
                );
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.MilCore)]
            internal static extern int MilTransport_ShutDownConnectionManager(
                IntPtr pTransportManager
                ); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.MilCore)] 
            internal static extern int MilTransport_CreateTransportParameters(
                bool fForcedLocalTransport,
                out bool fIsConnected,
                out UInt32  pDwGeneration, 
                out IntPtr  ppTransportParameters,
                out UIntPtr pcbTransportParameters 
                ); 

            /// 
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.MilCore)]
            internal static extern int MilTransport_Create( 
                IntPtr pTransportManager,
                IntPtr pTransportParameters, 
                UIntPtr cbTransportParameters, 
                out IntPtr ppTranspManager
                ); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.MilCore)]
            internal static extern int MilSyncPacketTransport_Create( 
                IntPtr pTransportManager, 
                out IntPtr ppPacketTransport
                ); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.MilCore)]
            internal static extern int MilTransport_CreateFromPacketTransport( 
                IntPtr pTransportManager, 
                IntPtr pSyncPacketTransport,
                out IntPtr ppPacketTransport 
                );

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.MilCore)] 
            internal static extern int MilTransport_DisconnectTransport( 
                IntPtr pTranspManager
                ); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.MilCore)]
            internal extern static int /* HRESULT */ MILCreateStreamFromStreamDescriptor(ref System.Windows.Media.StreamDescriptor pSD, out IntPtr ppStream); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.MilCore)]
            unsafe internal static extern void MilUtility_GetTileBrushMapping(
                D3DMATRIX* transform, 
                D3DMATRIX* relativeTransform,
                Stretch stretch, 
                AlignmentX alignmentX, 
                AlignmentY alignmentY,
                BrushMappingMode viewPortUnits, 
                BrushMappingMode viewBoxUnits,
                Rect* shapeFillBounds,
                Rect* contentBounds,
                ref Rect viewport, 
                ref Rect viewbox,
                out D3DMATRIX contentToShape, 
                out int brushIsEmpty 
                );
 
            ///
            ///                       This seems safe - the net effect of this command is to return the bounds of a Path.
            ///                       Although this seems safe - I'm putting it in unsafe as it takes pointers and is using the unsafe keyword.
            ///                       The unmanaged function does some validation - but it looks like you can pass it bogus data. 
            ///                       However it looks like the worse that can happen - is you get invalid Rect returned.
            /// 
            [DllImport(DllImport.MilCore)] 
            internal unsafe static extern int MilUtility_PathGeometryBounds(
                MIL_PEN_DATA *pPenData, 
                double *pDashArray,
                MIL_MATRIX3X2D* pWorldMatrix,
                FillRule fillRule,
                byte* pPathData, 
                UInt32 nSize,
                MIL_MATRIX3X2D* pGeometryMatrix, 
                double rTolerance, 
                bool fRelative,
                bool fSkipHollows, 
                MIL_RECTD_RB* pBounds);

            ///
            ///                       Seems safe - the net effect combines one path with another. 
            ///                       Left in Unsafe native methods - as it manipulates pointers.
            /// 
            [DllImport(DllImport.MilCore)] 
            internal unsafe static extern int MilUtility_PathGeometryCombine(
                MIL_MATRIX3X2D* pMatrix, 
                MIL_MATRIX3X2D* pMatrix1,
                FillRule fillRule1,
                byte* pPathData1,
                UInt32 nSize1, 
                MIL_MATRIX3X2D* pMatrix2,
                FillRule fillRule2, 
                byte* pPathData2, 
                UInt32 nSize2,
                double rTolerance, 
                bool fRelative,
                Delegate addFigureCallback,
                GeometryCombineMode combineMode,
                out FillRule resultFillRule); 

            /// 
            ///                       Creates one flavor of a Path from another. 
            ///                       use of "unsafe" keyword prevents this from being considered safe.
            /// 
            [DllImport(DllImport.MilCore)]
            internal unsafe static extern int MilUtility_PathGeometryWiden(
                MIL_PEN_DATA *pPenData,
                double *pDashArray, 
                MIL_MATRIX3X2D* pMatrix,
                FillRule fillRule, 
                byte* pPathData, 
                UInt32 nSize,
                double rTolerance, 
                bool fRelative,
                Delegate addFigureCallback,
                out FillRule widenedFillRule);
 
            ///
            ///                       Creates one flavor of a Path from another. 
            ///                       use of "unsafe" keyword prevents this from being considered safe. 
            ///
            [DllImport(DllImport.MilCore)] 
            internal unsafe static extern int MilUtility_PathGeometryOutline(
                MIL_MATRIX3X2D* pMatrix,
                FillRule fillRule,
                byte* pPathData, 
                UInt32 nSize,
                double rTolerance, 
                bool fRelative, 
                Delegate addFigureCallback,
                out FillRule outlinedFillRule); 

            ///
            ///                       Creates one flavor of a Path from another.
            ///                       use of "unsafe" keyword prevents this from being considered safe. 
            ///
            [DllImport(DllImport.MilCore)] 
            internal unsafe static extern int MilUtility_PathGeometryFlatten( 
                MIL_MATRIX3X2D* pMatrix,
                FillRule fillRule, 
                byte* pPathData,
                UInt32 nSize,
                double rTolerance,
                bool fRelative, 
                Delegate addFigureCallback,
                out FillRule resultFillRule); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.MilCore)]
            internal static extern int MilGraphicsStream_GetTransformHint(
                UInt32 uIndex, 
                ref MIL_MATRIX3X2D transform
                ); 
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICComponentInfo
        {
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICComponentInfo_GetCLSID_Proxy")] 
            internal static extern int /* HRESULT */ GetCLSID( 
                System.Windows.Media.SafeMILHandle /* IWICComponentInfo */ THIS_PTR,
                out Guid pclsid); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICComponentInfo_GetAuthor_Proxy")]
            internal static extern int /* HRESULT */ GetAuthor( 
                System.Windows.Media.SafeMILHandle /* IWICComponentInfo */ THIS_PTR, 
                UInt32 cchAuthor,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzAuthor, 
                out UInt32 pcchActual);

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICComponentInfo_GetVersion_Proxy")] 
            internal static extern int /* HRESULT */ GetVersion( 
                System.Windows.Media.SafeMILHandle /* IWICComponentInfo */ THIS_PTR,
                UInt32 cchVersion, 
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzVersion,
                out UInt32 pcchActual);

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICComponentInfo_GetSpecVersion_Proxy")] 
            internal static extern int /* HRESULT */ GetSpecVersion(
                System.Windows.Media.SafeMILHandle /* IWICComponentInfo */ THIS_PTR, 
                UInt32 cchSpecVersion,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzSpecVersion,
                out UInt32 pcchActual);
 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICComponentInfo_GetFriendlyName_Proxy")]
            internal static extern int /* HRESULT */ GetFriendlyName( 
                System.Windows.Media.SafeMILHandle /* IWICComponentInfo */ THIS_PTR,
                UInt32 cchFriendlyName,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzFriendlyName,
                out UInt32 pcchActual); 
        }
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICBitmapCodecInfo
        { 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_GetContainerFormat_Proxy")] 
            internal static extern int /* HRESULT */ GetContainerFormat(
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR, 
                out Guid pguidContainerFormat); 

            /// 
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_GetDeviceManufacturer_Proxy")]
            internal static extern int /* HRESULT */ GetDeviceManufacturer( 
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR,
                UInt32 cchDeviceManufacturer, 
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzDeviceManufacturer, 
                out UInt32 pcchActual
                ); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_GetDeviceModels_Proxy")]
            internal static extern int /* HRESULT */ GetDeviceModels( 
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR, 
                UInt32 cchDeviceModels,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzDeviceModels, 
                out UInt32 pcchActual
                );

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_GetMimeTypes_Proxy")] 
            internal static extern int /* HRESULT */ GetMimeTypes(
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR, 
                UInt32 cchMimeTypes,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzMimeTypes,
                out UInt32 pcchActual
                ); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_GetFileExtensions_Proxy")] 
            internal static extern int /* HRESULT */ GetFileExtensions(
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR,
                UInt32 cchFileExtensions,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzFileExtensions, 
                out UInt32 pcchActual
                ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_DoesSupportAnimation_Proxy")]
            internal static extern int /* HRESULT */ DoesSupportAnimation(
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR, 
                out bool pfSupportAnimation
                ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_DoesSupportLossless_Proxy")]
            internal static extern int /* HRESULT */ DoesSupportLossless(
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR, 
                out bool pfSupportLossless
                ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapCodecInfo_DoesSupportMultiframe_Proxy")]
            internal static extern int /* HRESULT */ DoesSupportMultiframe(
                System.Windows.Media.SafeMILHandle /* IWICBitmapCodecInfo */ THIS_PTR, 
                out bool pfSupportMultiframe
                ); 
 
        }
 
        ///
        /// Critical as this code performs an elevation.
        ///
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICMetadataQueryReader
        { 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataQueryReader_GetContainerFormat_Proxy")]
            internal static extern int /* HRESULT */ GetContainerFormat(
                System.Windows.Media.SafeMILHandle /* IWICMetadataQueryReader */ THIS_PTR,
                out Guid pguidContainerFormat); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataQueryReader_GetLocation_Proxy")] 
            internal static extern int /* HRESULT */ GetLocation(
                System.Windows.Media.SafeMILHandle /* IWICMetadataQueryReader */ THIS_PTR,
                UInt32 cchLocation,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzNamespace, 
                out UInt32 pcchActual
                ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataQueryReader_GetMetadataByName_Proxy")]
            internal static extern int /* HRESULT */ GetMetadataByName(
                System.Windows.Media.SafeMILHandle /* IWICMetadataQueryReader */ THIS_PTR, 
                [Out, MarshalAs(UnmanagedType.LPWStr)] String wzName,
                ref System.Windows.Media.Imaging.PROPVARIANT propValue 
                ); 

            /// 
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataQueryReader_GetMetadataByName_Proxy")]
            internal static extern int /* HRESULT */ ContainsMetadataByName( 
                System.Windows.Media.SafeMILHandle /* IWICMetadataQueryReader */ THIS_PTR,
                [Out, MarshalAs(UnmanagedType.LPWStr)] String wzName, 
                IntPtr propVar 
                );
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataQueryReader_GetEnumerator_Proxy")] 
            internal static extern int /* HRESULT */ GetEnumerator(
                System.Windows.Media.SafeMILHandle /* IWICMetadataQueryReader */ THIS_PTR, 
                out System.Windows.Media.SafeMILHandle /* IEnumString */ enumString 
                );
        } 

        ///
        /// Critical as this code performs an elevation.
        /// 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICMetadataQueryWriter 
        { 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataQueryWriter_SetMetadataByName_Proxy")]
            internal static extern int /* HRESULT */ SetMetadataByName(
                System.Windows.Media.SafeMILHandle /* IWICMetadataQueryWriter */ THIS_PTR, 
                [Out, MarshalAs(UnmanagedType.LPWStr)] String wzName,
                ref System.Windows.Media.Imaging.PROPVARIANT propValue 
                ); 

            /// 
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataQueryWriter_RemoveMetadataByName_Proxy")]
            internal static extern int /* HRESULT */ RemoveMetadataByName( 
                System.Windows.Media.SafeMILHandle /* IWICMetadataQueryWriter */ THIS_PTR,
                [Out, MarshalAs(UnmanagedType.LPWStr)] String wzName 
                ); 
        }
 
        ///
        /// Critical as this code performs an elevation.
        ///
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICFastMetadataEncoder
        { 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICFastMetadataEncoder_Commit_Proxy")]
            internal static extern int /* HRESULT */ Commit(
                System.Windows.Media.SafeMILHandle /* IWICFastMetadataEncoder */ THIS_PTR
                ); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICFastMetadataEncoder_GetMetadataQueryWriter_Proxy")] 
            internal static extern int /* HRESULT */ GetMetadataQueryWriter(
                System.Windows.Media.SafeMILHandle /* IWICFastMetadataEncoder */ THIS_PTR,
                out SafeMILHandle /* IWICMetadataQueryWriter */ ppIQueryWriter
                ); 
        }
 
        /// 
        /// Critical as this code performs an elevation.
        /// 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class EnumString
        {
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IEnumString_Next_WIC_Proxy")] 
            internal static extern int /* HRESULT */ Next(
                System.Windows.Media.SafeMILHandle /* IEnumString */ THIS_PTR, 
                Int32 celt,
                ref IntPtr rgElt,
                ref Int32 pceltFetched
                ); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IEnumString_Reset_WIC_Proxy")] 
            internal static extern int /* HRESULT */ Reset(
                System.Windows.Media.SafeMILHandle /* IEnumString */ THIS_PTR
                );
        } 

        /// 
        /// Critical as this code performs an elevation. 
        ///
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class IPropertyBag2
        {
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IPropertyBag2_Write_Proxy")] 
            internal static extern int /* HRESULT */ Write( 
                System.Windows.Media.SafeMILHandle /* IPropertyBag2 */ THIS_PTR,
                UInt32 cProperties, 
                ref System.Windows.Media.Imaging.PROPBAG2 propBag,
                ref System.Windows.Media.Imaging.PROPVARIANT propValue
                );
        } 

        internal class IMILBitmapEffectRenderContext 
        { 
            protected IMILBitmapEffectRenderContext()
            { 
            }

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_SetOutputPixelFormat")]
            internal static extern int /* HRESULT */ SetOutputPixelFormat( 
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR,
                ref Guid /* REFWICPixelFormatGUID */ format); 
 
#if never
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_GetOutputPixelFormat")] 
            internal static extern int /* HRESULT */ GetOutputPixelFormat(
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR,
                out Guid /* WICPixelFormatGUID */ format);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_SetUseSoftwareRenderer")]
            internal static extern int /* HRESULT */ SetUseSoftwareRenderer( 
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR, 
                [MarshalAs(UnmanagedType.VariantBool)]System.Boolean /* VARIANT_BOOL */ fSoftware);
#endif 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_SetInitialTransform")]
            internal static extern int /* HRESULT */ SetInitialTransform(
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR,
                double m11, double m12, double m21, double m22, double m31, double m32); 

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_GetFinalTransform")] 
            internal static extern int /* HRESULT */ GetFinalTransform( 
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR,
                out double m11, out double m12, out double m21, out double m22, out double m31, out double m32); 

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_SetRegionOfInterest")]
            internal static extern int /* HRESULT */ SetRegionOfInterest(
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR, 
                ref Rect pRect);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_SetOutputDPI")] 
            internal static extern int /* HRESULT */ SetOutputDPI(
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR, double dblDpiX, double dblDpiY); 

#if never
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectRenderContext_GetOutputDPI")]
            internal static extern int /* HRESULT */ GetOutputDPI( 
                SafeMILHandle /* IMILBitmapEffectRenderContext */ THIS_PTR, out double pdblDpiX, out double pdblDpiY);
#endif 
        } 

        internal class IMILBitmapEffect 
        {
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_GetOutput")]
            internal static extern int /* HRESULT */ GetOutput(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                UInt32 uiIndex,
                SafeMILHandle /* IMILBitmapEffectRenderContext */ pContext, 
                out BitmapSourceSafeMILHandle /* IWICBitmapSource */ ppBitmapSource); 

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_GetParentEffect")] 
            internal static extern int /* HRESULT */ GetParentEffect(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                out SafeMILHandle /* IMILBitmapEffectGroup */ ppParentEffect);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_SetInputSource")]
            internal static extern int /* HRESULT */ SetInputSource( 
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                UInt32 uiIndex,
                BitmapSourceSafeMILHandle /* IWICBitmapSource */ pBitmapSource); 

            //*********************************************************************
            // Interfaces from IMILBitmapEffectConnectionsInfo which we will
            // QI from IMILBitmapEffect 
            //*********************************************************************
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectConnectionsInfo_GetNumberInputs")] 
            internal static extern int /* HRESULT */ GetNumberInputs( 
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                out UInt32 piNumInputs); 

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectConnectionsInfo_GetNumberOutputs")]
            internal static extern int /* HRESULT */ GetNumberOutputs(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                out UInt32 piNumOutputs);
 
            //********************************************************************** 
            // Interfaces from IMILBitmapEffectConnections which we will
            // QI from IMILBitmapEffect 
            //*********************************************************************
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectConnections_GetInputConnector")]
            internal static extern int /* HRESULT */ GetInputConnector(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                UInt32 uiIndex,
                out SafeMILHandle /* IMILBitmapEffectInputConnector */ ppConnector); 
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectConnections_GetOutputConnector")]
            internal static extern int /* HRESULT */ GetOutputConnector( 
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                UInt32 uiIndex,
                out SafeMILHandle /* IMILBitmapEffectOutputConnector */ ppConnector);
 
            //**********************************************************************
            // These methods aren't actually exposed by the effects layer, but are 
            // just helpers for setting/getting values through the interop layer. 
            // (However, they do set the value through IPropertyBag2 on the effect
            // primitive itself, which we will QI THIS_PTR). 
            //**********************************************************************
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectPrimitive_SetValue")]
            internal static extern int /* HRESULT */ SetValue(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                [MarshalAs(UnmanagedType.BStr)]System.String /* BSTR */ bstrName,
                [MarshalAs(UnmanagedType.Struct)]ref System.Object /* VARIANT* */ varValue); 
 
#if never
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectPrimitive_GetValue")] 
            internal static extern int /* HRESULT */ GetValue(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                [MarshalAs(UnmanagedType.BStr)]System.String /* BSTR */ bstrName,
                [MarshalAs(UnmanagedType.Struct)]out System.Object /* VARIANT* */ varValue); 
#endif
 
            //********************************************************************* 
            // Interfaces from IMILBitmapEffectGroup which we will QI from IMILBitmapEffect
            //********************************************************************** 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectGroup_GetInteriorInputConnector")]
            internal static extern int /* HRESULT */ GetInteriorInputConnector(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                UInt32 iIndex, 
                out SafeMILHandle /* IMILBitmapEffectOutputConnector */ pConnector);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectGroup_GetInteriorOutputConnector")] 
            internal static extern int /* HRESULT */ GetInteriorOutputConnector(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                UInt32 iIndex,
                out SafeMILHandle /* IMILBitmapEffectInputConnector */ pConnector);

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectGroup_Add")] 
            internal static extern int /* HRESULT */ Add(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                SafeHandle /* IMILBitmapEffect */ pEffect); 

            //********************************************************************* 
            // Interfaces from IMILBitmapEffectPrimitive which we will QI from IMILBitmapEffect
            //*********************************************************************
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectPrimitive_TransformPoint")]
            internal static extern int /* HRESULT */ TransformPoint( 
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                UInt32 iIndex, 
                ref System.Windows.Point p, 
                [MarshalAs(UnmanagedType.VariantBool)] System.Boolean /* VARIANT_BOOL */ fForwardTransform,
                SafeMILHandle /* IMILBitmapEffectRenderContext */ pContext, 
                [MarshalAs(UnmanagedType.VariantBool)] out System.Boolean /* VARIANT_BOOL */ fPointTransformed);

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectPrimitive_TransformRect")]
            internal static extern int /* HRESULT */ TransformRect( 
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                UInt32 iIndex, 
                ref Rect p, 
                [MarshalAs(UnmanagedType.VariantBool)] System.Boolean /* VARIANT_BOOL */ fForwardTransform,
                SafeMILHandle /* IMILBitmapEffectRenderContext */ pContext); 

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectPrimitive_HasAffineTransform")]
            internal static extern int /* HRESULT */ HasAffineTransform(
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                UInt32 iIndex,
                [MarshalAs(UnmanagedType.VariantBool)] out System.Boolean /* VARIANT_BOOL */ fAffine); 
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectPrimitive_HasInverseTransform")]
            internal static extern int /* HRESULT */ HasInverseTransform( 
                SafeHandle /* IMILBitmapEffect */ THIS_PTR,
                UInt32 iIndex,
                [MarshalAs(UnmanagedType.VariantBool)] out System.Boolean /* VARIANT_BOOL */ fInverse);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffect_IMILBitmapEffectPrimitive_GetAffineMatrix")]
            internal static extern int /* HRESULT */ GetAffineMatrix( 
                SafeHandle /* IMILBitmapEffect */ THIS_PTR, 
                UInt32 iIndex,
                ref MIL_MATRIX3X2D pMatrix); 
        };

        internal class IMILBitmapEffectConnectorInfo
        { 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectConnectorInfo_GetOptimalFormat")]
            internal static extern int /* HRESULT */ GetOptimalFormat( 
                SafeMILHandle /* IMILBitmapEffectConnectorInfo */ THIS_PTR, 
                out Guid /* WICPixelFormatGUID */ format);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectConnectorInfo_GetNumberFormats")]
            internal static extern int /* HRESULT */ GetNumberFormats(
                SafeMILHandle /* IMILBitmapEffectConnectorInfo */ THIS_PTR,
                out UInt32 pulNumberFormats); 

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectConnectorInfo_GetFormat")] 
            internal static extern int /* HRESULT */ GetFormat( 
                SafeMILHandle /* IMILBitmapEffectConnectorInfo */ THIS_PTR,
                out Guid /* WICPixelFormatGUID */ format); 
        }

        internal class IMILBitmapEffectConnector : IMILBitmapEffectConnectorInfo
        { 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectConnector_IsConnected")]
            internal static extern int /* HRESULT */ IsConnected( 
                SafeMILHandle /* IMILBitmapEffectConnector */ THIS_PTR, 
                [MarshalAs(UnmanagedType.VariantBool)] out System.Boolean  /* VARIANT_BOOL */ pFormat);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectConnector_GetBitmapEffect")]
            internal static extern int /* HRESULT */ GetBitmapEffect(
                SafeMILHandle /* IMILBitmapEffectConnector */ THIS_PTR,
                out SafeHandle /* IMILBitmapEffect */ ppEffect); 
        }
 
        internal class IMILBitmapEffectInputConnector : IMILBitmapEffectConnector 
        {
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectInputConnector_ConnectTo")] 
            internal static extern int /* HRESULT */ ConnectTo(
                SafeMILHandle /* IMILBitmapEffectInputConnector */ THIS_PTR,
                SafeMILHandle /* IMILBitmapEffectOutputConnector */ pConnector);
 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectInputConnector_GetConnection")]
            internal static extern int /* HRESULT */ GetConnection( 
                SafeMILHandle /* IMILBitmapEffectInputConnector */ THIS_PTR, 
                out SafeMILHandle /* IMILBitmapEffectOutputConnector */ ppConnector);
        } 

        internal class IMILBitmapEffectOutputConnector : IMILBitmapEffectConnector
        {
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectOutputConnector_GetNumberConnections")] 
            internal static extern int /* HRESULT */ GetNumberConnections(
                SafeMILHandle /* IMILBitmapEffectOutputConnector */ THIS_PTR, 
                out UInt32 piNumberConnections); 

            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectOutputConnector_GetConnection")] 
            internal static extern int /* HRESULT */ GetConnection(
                SafeMILHandle /* IMILBitmapEffectOutputConnector */ THIS_PTR,
                UInt32 iIndex,
                out SafeMILHandle /* IMILBitmapEffectInputConnector */ ppConnection); 
        }
 
        internal class IMILBitmapEffectInteriorOutputConnector 
        {
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectInteriorOutputConnector_GetOutputConnector")] 
            internal static extern int /* HRESULT */ GetOutputConnector(
                SafeHandle /* IMILBitmapEffectInteriorOutputConnector */ THIS_PTR,
                out SafeMILHandle /* IMILBitmapEffectOutputConnector */ ppConnector);
        } 

        internal class IMILBitmapEffectInteriorInputConnector 
        { 
            [DllImport(DllImport.MilCore, EntryPoint = "IMILBitmapEffectInteriorInputConnector_GetInputConnector")]
            internal static extern int /* HRESULT */ GetInputConnector( 
                SafeHandle /* IMILBitmapEffectInteriorInputConnector */ THIS_PTR,
                out SafeMILHandle /* IMILBitmapEffectInputConnector */ ppConnector);
        }
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICBitmapSource 
        { 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapSource_GetSize_Proxy")]
            internal static extern int /* HRESULT */ GetSize(
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ THIS_PTR, 
                out UInt32 puiWidth,
                out UInt32 puiHeight); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapSource_GetPixelFormat_Proxy")]
            internal static extern int /* HRESULT */ GetPixelFormat(
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ THIS_PTR, 
                out Guid pPixelFormatEnum);
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapSource_GetResolution_Proxy")]
            internal static extern int /* HRESULT */ GetResolution(
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ THIS_PTR,
                out double pDpiX, 
                out double pDpiY);
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapSource_CopyPalette_Proxy")]
            internal static extern int /* HRESULT */ CopyPalette(
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IMILPalette */ pIPalette); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapSource_CopyPixels_Proxy")] 
            internal static extern int /* HRESULT */ CopyPixels(
                SafeMILHandle /* IWICBitmapSource */ THIS_PTR,
                ref Int32Rect prc,
                UInt32 cbStride, 
                UInt32 cbBufferSize,
                IntPtr /* BYTE* */ pvPixels); 
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICBitmapDecoder
        {
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_GetDecoderInfo_Proxy")] 
            internal static extern int /* HRESULT */ GetDecoderInfo( 
                SafeMILHandle THIS_PTR,
                out SafeMILHandle /* IWICBitmapDecoderInfo */ ppIDecoderInfo); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_CopyPalette_Proxy")]
            internal static extern int /* HRESULT */ CopyPalette( 
                SafeMILHandle /* IWICBitmapDecoder */ THIS_PTR, 
                SafeMILHandle /* IMILPalette */ pIPalette);
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_GetPreview_Proxy")] 
            internal static extern int /* HRESULT */ GetPreview(
                SafeMILHandle THIS_PTR, 
                out IntPtr /* IWICBitmapSource */ ppIBitmapSource 
                );
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_GetColorContexts_Proxy")] 
            internal static extern int /* HRESULT */ GetColorContexts(
                SafeMILHandle THIS_PTR, 
                uint nIndex, 
                IntPtr /* IWICColorContext */ ppIColorContext,
                out uint /* IWICColorContext */ pCount 
                );

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_GetThumbnail_Proxy")] 
            internal static extern int /* HRESULT */ GetThumbnail( 
                SafeMILHandle /* IWICBitmapDecoder */ THIS_PTR,
                out IntPtr /* IWICBitmapSource */ ppIThumbnail 
                );

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_GetMetadataQueryReader_Proxy")] 
            internal static extern int /* HRESULT */ GetMetadataQueryReader( 
                SafeMILHandle /* IWICBitmapDecoder */ THIS_PTR,
                out IntPtr /* IWICMetadataQueryReader */ ppIQueryReader 
                );

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_GetFrameCount_Proxy")] 
            internal static extern int /* HRESULT */ GetFrameCount( 
                SafeMILHandle THIS_PTR,
                out uint pFrameCount 
                );

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapDecoder_GetFrame_Proxy")] 
            internal static extern int /* HRESULT */ GetFrame( 
                SafeMILHandle /* IWICBitmapDecoder */ THIS_PTR,
                UInt32 index, 
                out IntPtr /* IWICBitmapFrameDecode */ ppIFrameDecode
                );
        }
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICBitmapFrameDecode 
        { 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapFrameDecode_GetThumbnail_Proxy")]
            internal static extern int /* HRESULT */ GetThumbnail(
                SafeMILHandle /* IWICBitmapFrameDecode */ THIS_PTR, 
                out IntPtr /* IWICBitmap */ ppIThumbnail
                ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapFrameDecode_GetMetadataQueryReader_Proxy")]
            internal static extern int /* HRESULT */ GetMetadataQueryReader(
                SafeMILHandle /* IWICBitmapFrameDecode */ THIS_PTR, 
                out IntPtr /* IWICMetadataQueryReader */ ppIQueryReader
                ); 
 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapFrameDecode_GetColorContexts_Proxy")]
            internal static extern int /* HRESULT */ GetColorContexts( 
                SafeMILHandle /* IWICBitmapFrameDecode */ THIS_PTR,
                uint nIndex,
                IntPtr /* IWICColorContext */ ppIColorContext,
                out uint pCount 
                );
 
        } 

        /// 
        /// Critical as this code performs an elevation.
        ///
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class MILUnknown 
        {
            [DllImport(DllImport.MilCore, EntryPoint = "MILAddRef")] 
            internal static extern UInt32 AddRef(SafeMILHandle pIUnkown); 

            [DllImport(DllImport.MilCore, EntryPoint = "MILRelease"), ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] 
            internal static extern int Release(IntPtr pIUnkown);

            internal static void ReleaseInterface(ref IntPtr ptr)
            { 
                if (ptr != IntPtr.Zero)
                { 
                    #pragma warning suppress 6031 // Return value ignored on purpose. 
                    UnsafeNativeMethods.MILUnknown.Release(ptr);
                    ptr = IntPtr.Zero; 
                }
            }

            [DllImport(DllImport.MilCore, EntryPoint = "MILQueryInterface")] 
            internal static extern int /* HRESULT */ QueryInterface(
                IntPtr pIUnknown, 
                ref Guid guid, 
                out IntPtr ppvObject);
 
            [DllImport(DllImport.MilCore, EntryPoint = "MILQueryInterface")]
            internal static extern int /* HRESULT */ QueryInterface(
                SafeMILHandle pIUnknown,
                ref Guid guid, 
                out IntPtr ppvObject);
        } 
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICStream 
        {
            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICStream_InitializeFromIStream_Proxy")]
            internal static extern int /*HRESULT*/ InitializeFromIStream( 
                IntPtr pIWICStream, 
                IntPtr pIStream);
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICStream_InitializeFromMemory_Proxy")] 
            internal static extern int /*HRESULT*/ InitializeFromMemory(
                IntPtr pIWICStream, 
                IntPtr pbBuffer, 
                uint cbSize);
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WindowsCodecApi
        { 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "WICCreateBitmapFromSection")]
            internal static extern int /*HRESULT*/ CreateBitmapFromSection( 
                UInt32 width,
                UInt32 height,
                ref Guid pixelFormatGuid,
                IntPtr hSection, 
                UInt32 stride,
                UInt32 offset, 
                out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap); 
        }
 
        internal static class WICBitmapFrameEncode
        {
            ///
            /// Critical as this code performs an elevation. 
            ///
            [SecurityCritical] 
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapFrameEncode_Initialize_Proxy")]
            internal static extern int /* HRESULT */ Initialize(SafeMILHandle /* IWICBitmapFrameEncode*  */ THIS_PTR, 
                SafeMILHandle /* IPropertyBag2* */ pIEncoderOptions);

            ///
            /// Critical as this code performs an elevation. 
            ///
            [SecurityCritical] 
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapFrameEncode_Commit_Proxy")]
            internal static extern int /* HRESULT */ Commit(SafeMILHandle /* IWICBitmapFrameEncode*  */ THIS_PTR); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapFrameEncode_SetSize_Proxy")] 
            internal static extern int /* HRESULT */ SetSize(SafeMILHandle /* IWICBitmapFrameEncode*  */ THIS_PTR,
                int width, 
                int height);

            ///
            /// Critical as this code performs an elevation. 
            ///
           [SecurityCritical] 
           [SuppressUnmanagedCodeSecurity] 
           [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapFrameEncode_SetResolution_Proxy")]
            internal static extern int /* HRESULT */ SetResolution(SafeMILHandle /* IWICBitmapFrameEncode*  */ THIS_PTR, 
                double dpiX,
                double dpiY);

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [SecurityCritical] 
            [SuppressUnmanagedCodeSecurity]
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapFrameEncode_WriteSource_Proxy")] 
            internal static extern int /* HRESULT */ WriteSource(SafeMILHandle /* IWICBitmapFrameEncode*  */ THIS_PTR,
                SafeMILHandle /* IMILBitmapSource* */ pIBitmapSource,
                ref Int32Rect /* MILRect* */ r);
 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapFrameEncode_SetThumbnail_Proxy")]
            internal static extern int /* HRESULT */ SetThumbnail(SafeMILHandle /* IWICBitmapFrameEncode*  */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource* */ pIThumbnail);
 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapFrameEncode_GetMetadataQueryWriter_Proxy")]
            internal static extern int /* HRESULT */ GetMetadataQueryWriter(
                SafeMILHandle /* IWICBitmapFrameEncode */ THIS_PTR,
                out SafeMILHandle /* IWICMetadataQueryWriter */ ppIQueryWriter 
                );
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity]
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapFrameEncode_SetColorContexts_Proxy")]
            internal static extern int /* HRESULT */ SetColorContexts(SafeMILHandle /* IWICBitmapEncoder*  */ THIS_PTR, 
                    uint nIndex,
                    IntPtr /* IWICColorContext */ ppIColorContext); 
 
        }
 
        internal static class WICBitmapEncoder
        {
            ///
            /// Critical as this code performs an elevation. 
            ///
            [SecurityCritical] 
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapEncoder_Initialize_Proxy")]
            internal static extern int /* HRESULT */ Initialize(SafeMILHandle /* IWICBitmapEncoder* */ THIS_PTR, 
                IntPtr /* IStream */ pStream,
                WICBitmapEncodeCacheOption option);

            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapEncoder_GetEncoderInfo_Proxy")] 
            internal static extern int /* HRESULT */ GetEncoderInfo(SafeMILHandle /* IWICBitmapEncoder* */ THIS_PTR,
                out SafeMILHandle /* IWICBitmapEncoderInfo ** */ ppIEncoderInfo 
                ); 

            /// 
            /// Critical as this code performs an elevation.
            ///
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapEncoder_CreateNewFrame_Proxy")]
            internal static extern int /* HRESULT */ CreateNewFrame(SafeMILHandle /* IWICBitmapEncoder* */ THIS_PTR, 
                out SafeMILHandle /* IWICBitmapFrameEncode ** */ ppIFramEncode, 
                out SafeMILHandle /* IPropertyBag2 ** */ ppIEncoderOptions
            ); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapEncoder_SetThumbnail_Proxy")] 
            internal static extern int /* HRESULT */ SetThumbnail(SafeMILHandle /* IWICBitmapEncoder*  */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource* */ pIThumbnail); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapEncoder_SetPalette_Proxy")] 
            internal static extern int /* HRESULT */ SetPalette(SafeMILHandle /* IWICBitmapEncoder*  */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IWICPalette* */ pIPalette); 

            ///
            /// Critical as this code performs an elevation.
            /// 
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity] 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapEncoder_GetMetadataQueryWriter_Proxy")] 
            internal static extern int /* HRESULT */ GetMetadataQueryWriter(
                SafeMILHandle /* IWICBitmapEncoder */ THIS_PTR, 
                out SafeMILHandle /* IWICMetadataQueryWriter */ ppIQueryWriter
                );

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [SecurityCritical] 
            [SuppressUnmanagedCodeSecurity]
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICBitmapEncoder_Commit_Proxy")] 
            internal static extern int /* HRESULT */ Commit(SafeMILHandle /* IWICBitmapEncoder* */ THIS_PTR);
        }

        internal static class WICPalette 
        {
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_InitializePredefined_Proxy")] 
            internal static extern int /* HRESULT */ InitializePredefined(System.Windows.Media.SafeMILHandle /* IWICPalette */ THIS_PTR, 
                WICPaletteType ePaletteType,
                bool fAddTransparentColor); 

            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_InitializeCustom_Proxy")]
            internal static extern int /* HRESULT */ InitializeCustom(System.Windows.Media.SafeMILHandle /* IWICPalette */ THIS_PTR,
                IntPtr /* MILColor* */ pColors, 
                int colorCount);
 
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_InitializeFromBitmap_Proxy")] 
            internal static extern int /* HRESULT */ InitializeFromBitmap(System.Windows.Media.SafeMILHandle /* IWICPalette */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IMILBitmapSource* */ pISurface, 
                int colorCount,
                bool fAddTransparentColor);

            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_InitializeFromPalette_Proxy")] 
            internal static extern int /* HRESULT */ InitializeFromPalette(IntPtr /* IWICPalette */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IWICPalette */ pIWICPalette); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity]
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_GetType_Proxy")] 
            internal static extern int /* HRESULT */ GetType(System.Windows.Media.SafeMILHandle /* IWICPalette */ THIS_PTR,
                out WICPaletteType pePaletteType); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity]
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_GetColorCount_Proxy")] 
            internal static extern int /* HRESULT */ GetColorCount(System.Windows.Media.SafeMILHandle /* IWICPalette */ THIS_PTR,
                out int pColorCount); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [SecurityCritical]
            [SuppressUnmanagedCodeSecurity]
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_GetColors_Proxy")] 
            internal static extern int /* HRESULT */ GetColors(System.Windows.Media.SafeMILHandle /* IWICPalette */ THIS_PTR,
                int colorCount, 
                IntPtr /* MILColor* */ pColors, 
                out int pcActualCount);
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [SecurityCritical] 
            [SuppressUnmanagedCodeSecurity]
            [DllImport(DllImport.WindowsCodecs, EntryPoint="IWICPalette_HasAlpha_Proxy")] 
            internal static extern int /* HRESULT */ HasAlpha(System.Windows.Media.SafeMILHandle /* IWICPalette */ THIS_PTR, 
                   out bool pfHasAlpha);
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICImagingFactory
        { 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateDecoderFromStream_Proxy")]
            internal static extern int /*HRESULT*/ CreateDecoderFromStream( 
                IntPtr pICodecFactory,
                IntPtr /* IStream */ pIStream,
                ref Guid guidVendor,
                UInt32 metadataFlags, 
                out IntPtr /* IWICBitmapDecoder */ ppIDecode);
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateDecoderFromFileHandle_Proxy")]
            internal static extern int /*HRESULT*/ CreateDecoderFromFileHandle(
                IntPtr pICodecFactory,
                Microsoft.Win32.SafeHandles.SafeFileHandle  /*ULONG_PTR*/ hFileHandle, 
                ref Guid guidVendor,
                UInt32 metadataFlags, 
                out IntPtr /* IWICBitmapDecoder */ ppIDecode); 

            /// 
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateComponentInfo_Proxy")]
            internal static extern int /*HRESULT*/ CreateComponentInfo( 
                IntPtr pICodecFactory,
                ref Guid clsidComponent, 
                out IntPtr /* IWICComponentInfo */ ppIComponentInfo); 

            /// 
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreatePalette_Proxy")]
            internal static extern int /*HRESULT*/ CreatePalette( 
                IntPtr pICodecFactory,
                out SafeMILHandle /* IWICPalette */ ppIPalette); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateFormatConverter_Proxy")]
            internal static extern int /* HRESULT */ CreateFormatConverter(
                IntPtr pICodecFactory, 
                out BitmapSourceSafeMILHandle /* IWICFormatConverter */ ppFormatConverter);
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmapScaler_Proxy")]
            internal static extern int /* HRESULT */ CreateBitmapScaler(
                IntPtr pICodecFactory,
                out BitmapSourceSafeMILHandle /* IWICBitmapScaler */ ppBitmapScaler); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmapClipper_Proxy")] 
            internal static extern int /* HRESULT */ CreateBitmapClipper(
                IntPtr pICodecFactory,
                out BitmapSourceSafeMILHandle /* IWICBitmapClipper */ ppBitmapClipper);
 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmapFlipRotator_Proxy")]
            internal static extern int /* HRESULT */ CreateBitmapFlipRotator( 
                IntPtr pICodecFactory,
                out BitmapSourceSafeMILHandle /* IWICBitmapFlipRotator */ ppBitmapFlipRotator);

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateStream_Proxy")] 
            internal static extern int /* HRESULT */ CreateStream(
                IntPtr pICodecFactory, 
                out IntPtr /* IWICBitmapStream */ ppIStream);

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateEncoder_Proxy")] 
            internal static extern int /* HRESULT */ CreateEncoder( 
                IntPtr pICodecFactory,
                ref Guid guidContainerFormat, 
                ref Guid guidVendor,
                out SafeMILHandle /* IUnknown** */ ppICodec);

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmapFromSource_Proxy")] 
            internal static extern int /*HRESULT*/ CreateBitmapFromSource(
                IntPtr THIS_PTR, 
                SafeMILHandle /* IWICBitmapSource */ pIBitmapSource,
                WICBitmapCreateCacheOptions options,
                out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap);
 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmapFromMemory_Proxy")]
            internal static extern int /*HRESULT*/ CreateBitmapFromMemory( 
                IntPtr THIS_PTR,
                UInt32 width,
                UInt32 height,
                ref Guid pixelFormatGuid, 
                UInt32 stride,
                UInt32 cbBufferSize, 
                IntPtr /* BYTE* */ pvPixels, 
                out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap);
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmap_Proxy")] 
            internal static extern int /*HRESULT*/ CreateBitmap(
                IntPtr THIS_PTR, 
                UInt32 width, 
                UInt32 height,
                ref Guid pixelFormatGuid, 
                WICBitmapCreateCacheOptions options,
                out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap);

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmapFromHBITMAP_Proxy")] 
            internal static extern int /*HRESULT*/ CreateBitmapFromHBITMAP(
                IntPtr THIS_PTR, 
                IntPtr hBitmap,
                IntPtr hPalette,
                WICBitmapAlphaChannelOption options,
                out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateBitmapFromHICON_Proxy")] 
            internal static extern int /*HRESULT*/ CreateBitmapFromHICON(
                IntPtr THIS_PTR,
                IntPtr hIcon,
                out BitmapSourceSafeMILHandle /* IWICBitmap */ ppIBitmap); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateFastMetadataEncoderFromDecoder_Proxy")] 
            internal static extern int /*HRESULT*/ CreateFastMetadataEncoderFromDecoder(
                IntPtr THIS_PTR,
                SafeMILHandle /* IWICBitmapDecoder */ pIDecoder,
                out SafeMILHandle /* IWICFastMetadataEncoder */ ppIFME); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateFastMetadataEncoderFromFrameDecode_Proxy")] 
            internal static extern int /*HRESULT*/ CreateFastMetadataEncoderFromFrameDecode(
                IntPtr THIS_PTR,
                BitmapSourceSafeMILHandle /* IWICBitmapFrameDecode */ pIFrameDecode,
                out SafeMILHandle /* IWICFastMetadataEncoder */ ppIBitmap); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateQueryWriter_Proxy")] 
            internal static extern int /*HRESULT*/ CreateQueryWriter(
                IntPtr THIS_PTR,
                ref Guid metadataFormat,
                ref Guid guidVendor, 
                out IntPtr /* IWICMetadataQueryWriter */ queryWriter
            ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICImagingFactory_CreateQueryWriterFromReader_Proxy")]
            internal static extern int /*HRESULT*/ CreateQueryWriterFromReader(
                IntPtr THIS_PTR, 
                SafeMILHandle /* IWICMetadataQueryReader */ queryReader,
                ref Guid guidVendor, 
                out IntPtr /* IWICMetadataQueryWriter */ queryWriter 
            );
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICComponentFactory
        { 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICComponentFactory_CreateMetadataWriterFromReader_Proxy")]
            internal static extern int /*HRESULT*/ CreateMetadataWriterFromReader( 
                IntPtr pICodecFactory,
                SafeMILHandle pIMetadataReader,
                ref Guid guidVendor,
                out IntPtr metadataWriter 
            );
 
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICComponentFactory_CreateQueryWriterFromBlockWriter_Proxy")]
            internal static extern int /*HRESULT*/ CreateQueryWriterFromBlockWriter(
                IntPtr pICodecFactory,
                IntPtr pIBlockWriter, 
                ref IntPtr ppIQueryWriter
            ); 
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICMetadataBlockReader
        {
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataBlockReader_GetCount_Proxy")] 
            internal static extern int /*HRESULT*/ GetCount( 
                IntPtr pIBlockReader,
                out UInt32 count 
            );

            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICMetadataBlockReader_GetReaderByIndex_Proxy")] 
            internal static extern int /*HRESULT*/ GetReaderByIndex( 
                IntPtr pIBlockReader,
                UInt32 index, 
                out SafeMILHandle /* IWICMetadataReader* */ pIMetadataReader
            );
        }
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICPixelFormatInfo 
        { 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICPixelFormatInfo_GetBitsPerPixel_Proxy")]
            internal static extern int /*HRESULT*/ GetBitsPerPixel(
                IntPtr /* IWICPixelFormatInfo */ pIPixelFormatInfo, 
                out UInt32 uiBitsPerPixel
            ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICPixelFormatInfo_GetChannelCount_Proxy")]
            internal static extern int /*HRESULT*/ GetChannelCount(
                IntPtr /* IWICPixelFormatInfo */ pIPixelFormatInfo, 
                out UInt32 uiChannelCount
            ); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICPixelFormatInfo_GetChannelMask_Proxy")]
            internal unsafe static extern int /*HRESULT*/ GetChannelMask(
                IntPtr /* IWICPixelFormatInfo */ pIPixelFormatInfo, 
                UInt32 uiChannelIndex,
                UInt32 cbMaskBuffer, 
                byte *pbMaskBuffer, 
                out UInt32 cbActual
            ); 
        }

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICBitmapClipper 
        {
            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapClipper_Initialize_Proxy")] 
            internal static extern int /* HRESULT */ Initialize(
                System.Windows.Media.SafeMILHandle /* IWICBitmapClipper */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ source,
                ref Int32Rect prc); 
        }
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICBitmapFlipRotator
        { 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapFlipRotator_Initialize_Proxy")] 
            internal static extern int /* HRESULT */ Initialize(
                System.Windows.Media.SafeMILHandle /* IWICBitmapFlipRotator */ THIS_PTR, 
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ source, 
                WICBitmapTransformOptions options);
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICBitmapScaler
        { 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapScaler_Initialize_Proxy")]
            internal static extern int /* HRESULT */ Initialize( 
                System.Windows.Media.SafeMILHandle /* IWICBitmapScaler */ THIS_PTR,
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ source,
                uint width,
                uint height, 
                WICInterpolationMode mode);
        } 
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICFormatConverter 
        {
            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICFormatConverter_Initialize_Proxy")]
            internal static extern int /* HRESULT */ Initialize( 
                System.Windows.Media.SafeMILHandle /* IWICFormatConverter */ THIS_PTR, 
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ source,
                ref Guid dstFormat, 
                DitherType dither,
                System.Windows.Media.SafeMILHandle /* IWICBitmapPalette */ bitmapPalette,
                double alphaThreshold,
                WICPaletteType paletteTranslate 
                );
        } 
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICColorTransform 
        {
            ///
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecsExt, EntryPoint = "IWICColorTransform_Initialize_Proxy")]
            internal static extern int /* HRESULT */ Initialize( 
                System.Windows.Media.SafeMILHandle /* IWICColorTransform */ THIS_PTR, 
                System.Windows.Media.SafeMILHandle /* IWICBitmapSource */ source,
                System.Windows.Media.SafeMILHandle /* IWICColorContext */ pIContextSource, 
                System.Windows.Media.SafeMILHandle /* IWICColorContext */ pIContextDest,
                ref Guid pixelFmtDest
                );
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICBitmap 
        {
            /// 
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmap_Lock_Proxy")]
            internal static extern int /* HRESULT */ Lock( 
                System.Windows.Media.SafeMILHandle /* IWICBitmap */ THIS_PTR,
                ref Int32Rect prcLock, 
                LockFlags flags, 
                out SafeMILHandle /* IWICBitmapLock* */ ppILock);
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmap_SetResolution_Proxy")] 
            internal static extern int /* HRESULT */ SetResolution(
                System.Windows.Media.SafeMILHandle /* IWICBitmap */ THIS_PTR, 
                double dpiX, 
                double dpiY);
 
            ///
            /// Critical as this code performs an elevation.
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmap_SetPalette_Proxy")] 
            internal static extern int /* HRESULT */ SetPalette(
                System.Windows.Media.SafeMILHandle /* IWICBitmap */ THIS_PTR, 
                System.Windows.Media.SafeMILHandle /* IMILPalette */ pIPalette); 
        }
 
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class WICBitmapLock
        {
            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapLock_GetStride_Proxy")] 
            internal static extern int /* HRESULT */ GetStride(
                SafeMILHandle /* IWICBitmapLock */ pILock, 
                ref uint pcbStride
                );

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICBitmapLock_GetDataPointer_STA_Proxy")] 
            internal static extern int /* HRESULT */ GetDataPointer(
                SafeMILHandle /* IWICBitmapLock */ pILock, 
                ref uint pcbBufferSize,
                ref IntPtr ppbData
                );
        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class WICCodec 
        {
            // When updating this value be sure to update milrender.h's version 
            // Reserve the number by editing and resubmitting SDKVersion.txt
            internal const int WINCODEC_SDK_VERSION = 0x0236;

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "WICCreateImagingFactory_Proxy")] 
            internal static extern int CreateImagingFactory(
                UInt32 SDKVersion, 
                out IntPtr ppICodecFactory
                );

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "WICConvertBitmapSource")] 
            internal static extern int /* HRESULT */ WICConvertBitmapSource(
                ref Guid dstPixelFormatGuid, 
                SafeMILHandle /* IWICBitmapSource */ pISrc,
                out BitmapSourceSafeMILHandle /* IWICBitmapSource* */ ppIDst);

            /// 
            /// Critical as this code performs an elevation.
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "WICSetEncoderFormat_Proxy")] 
            internal static extern int /* HRESULT */ WICSetEncoderFormat(
                SafeMILHandle /* IWICBitmapSource */ pSourceIn, 
                SafeMILHandle /* IMILPalette */ pIPalette,
                SafeMILHandle /* IWICBitmapFrameEncode*  */ pIFrameEncode,
                out SafeMILHandle /* IWICBitmapSource**  */ ppSourceOut);
 
            ///
            /// Critical as this code performs an elevation. 
            /// 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "WICMapGuidToShortName")]//CASRemoval:
            internal static extern int /* HRESULT */ WICMapGuidToShortName( 
                ref Guid guid,
                uint cchName,
                [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder wzName,
                ref uint pcchActual); 

            /// 
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "WICMapShortNameToGuid")]//CASRemoval: 
            internal static extern int /* HRESULT */ WICMapShortNameToGuid(
                [Out, MarshalAs(UnmanagedType.LPWStr)] String wzName,
                ref Guid guid);
 
            [DllImport(DllImport.WindowsCodecsExt, EntryPoint = "WICCreateColorTransform_Proxy")]
            internal static extern int /* HRESULT */ CreateColorTransform( 
                out BitmapSourceSafeMILHandle  /* IWICColorTransform */ ppWICColorTransform); 

            [DllImport(DllImport.WindowsCodecs, EntryPoint = "WICCreateColorContext_Proxy")] 
            internal static extern int /* HRESULT */ CreateColorContext(
                IntPtr pICodecFactory,
                out System.Windows.Media.SafeMILHandle /* IWICColorContext */ ppColorContext);
 
            [DllImport(DllImport.WindowsCodecs, EntryPoint = "IWICColorContext_InitializeFromMemory_Proxy")]
            internal static extern int /* HRESULT */ ColorContext_InitializeFromMemory( 
                SafeMILHandle THIS_PTR, 
                IntPtr pvParameters,
                uint parameterSize); 

            [DllImport("ole32.dll")]
            internal static extern int /* HRESULT */ CoInitialize(
                    IntPtr reserved); 

            [DllImport("ole32.dll")] 
            internal static extern void CoUninitialize(); 

        } 

        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity]
        internal static class Mscms
        { 
            [DllImport(DllImport.Mscms, EntryPoint = "CreateMultiProfileTransform", SetLastError=true)]
            internal static extern ColorTransformHandle /* HTRANSFORM */ CreateMultiProfileTransform(IntPtr[] /* PHPROFILE */ pahProfiles, UInt32 nProfiles, UInt32[] padwIntent, UInt32 nIntents, UInt32 dwFlags, UInt32 indexPreferredCMM); 
 
            [DllImport(DllImport.Mscms, EntryPoint = "DeleteColorTransform", SetLastError=true)]
            internal static extern bool DeleteColorTransform(IntPtr /* HTRANSFORM */ hColorTransform); 

            [DllImport(DllImport.Mscms, EntryPoint = "TranslateColors")]
            internal static extern int /* HRESULT */ TranslateColors(ColorTransformHandle /* HTRANSFORM */ hColorTransform, IntPtr paInputColors, UInt32 nColors, UInt32 ctInput, IntPtr paOutputColors, UInt32 ctOutput);
 
            [DllImport(DllImport.Mscms, EntryPoint = "OpenColorProfile", SetLastError=true)]
            internal static extern SafeProfileHandle /* HANDLE */ OpenColorProfile(IntPtr /* PPROFILE */ pProfile, UInt32 dwDesiredAccess, UInt32 dwShareMode, UInt32 dwCreationMode); 
 
            [DllImport(DllImport.Mscms, EntryPoint = "CloseColorProfile", SetLastError=true)]
            internal static extern bool CloseColorProfile(IntPtr /* HANDLE */ phProfile); 

            [DllImport(DllImport.Mscms, EntryPoint = "GetColorProfileHeader")]
            internal static extern int /* HRESULT */ GetColorProfileHeader(SafeProfileHandle /* HANDLE */ phProfile, IntPtr pHeader);
 
            [DllImport(DllImport.Mscms, CharSet = CharSet.Auto, BestFitMapping = false)]
            internal static extern int /* HRESULT */ GetColorDirectory(IntPtr pMachineName, StringBuilder pBuffer, out uint pdwSize); 
 
            [DllImport(DllImport.Mscms, CharSet = CharSet.Auto, BestFitMapping = false)]
            internal static extern int /* HRESULT */ GetStandardColorSpaceProfile(IntPtr pMachineName, uint dwProfileID, StringBuilder pProfileName, out uint pdwSize); 

            [DllImport(DllImport.Mscms, EntryPoint = "GetColorProfileFromHandle")]
            internal static extern int /* HRESULT */ GetColorProfileFromHandle(SafeProfileHandle /* HANDLE */ hProfile, IntPtr pBuffer, IntPtr pdwSize);
        } 

        /// 
        /// Critical as this code performs an elevation. 
        ///
        [SecurityCritical(SecurityCriticalScope.Everything), SuppressUnmanagedCodeSecurity] 
        internal static class MILFactory2
        {
            [DllImport(DllImport.MilCore, EntryPoint = "MILCreateFactory")]
            internal static extern int CreateFactory( 
                out IntPtr ppIFactory,
                UInt32 SDKVersion 
                ); 

            [DllImport(DllImport.MilCore, EntryPoint = "MILFactoryCreateMediaPlayer")] 
            internal static extern int /*HRESULT*/ CreateMediaPlayer(
                IntPtr THIS_PTR,
                SafeMILHandle /* CEventProxy */ pEventProxy,
                bool canOpenAllMedia, 
                Guid deviceId,
                out SafeMediaHandle /* IMILMedia */ ppMedia); 
 
            ///
            /// Critical as this code performs an elevation. 
            ///
            [DllImport(DllImport.MilCore, EntryPoint = "MILFactoryCreateBitmapRenderTarget")]
            internal static extern int /* HRESULT */ CreateBitmapRenderTarget(
                IntPtr THIS_PTR, 
                UInt32 width,
                UInt32 height, 
                PixelFormatEnum pixelFormatEnum, 
                float dpiX,
                float dpiY, 
                MILRTInitializationFlags dwFlags,
                out SafeMILHandle /* IMILRenderTargetBitmap */ ppIRenderTargetBitmap);

            [DllImport(DllImport.MilCore, EntryPoint = "MILFactoryCreateSWRenderTargetForBitmap")] 
            internal static extern int /* HRESULT */ CreateBitmapRenderTargetForBitmap(
                IntPtr THIS_PTR, 
                IntPtr /* IMILBitmap */ pIBitmap, 
                out SafeMILHandle /* IMILRenderTargetBitmap */ ppIRenderTargetBitmap);
 
            [DllImport(Microsoft.Internal.DllImport.PresentationNative, EntryPoint = "CreateWmpFactory")]
            internal static extern int /*HRESULT*/ CreateWmpFactory(
                out SafeMILHandle /* IMILWmpFactory */ ppWmpFactory);
 
            [DllImport(DllImport.MilCore, EntryPoint = "MILRegisterWmpFactory")]
            internal static extern int /*HRESULT*/ RegisterWmpFactory( 
                SafeMILHandle /* IMILWmpFactory */ pWmpFactory); 
        }
 
        internal static class MILFactoryEffects
        {
            [DllImport(DllImport.MilCore, EntryPoint = "MILFactoryCreateBitmapEffect")]
            internal static extern int /* HRESULT */ CreateBitmapEffect( 
                IntPtr THIS_PTR,
                ref Guid /*GUID*/ effectGUID, 
                out SafeMILHandle /* IMILBitmapEffectPrimitive */ ppEffect); 

            [DllImport(DllImport.MilCore, EntryPoint = "MILFactoryCreateBitmapEffectContext")] 
            internal static extern int /* HRESULT */ CreateBitmapEffectContext(
                IntPtr THIS_PTR,
                out SafeMILHandle /* IMILBitmapEffectRenderContext */ ppContext);
 
            [DllImport(DllImport.MilCore, EntryPoint = "MILCreateBitmapEffectOuterPublic")]
            internal static extern int /* HRESULT */ 
              CreateBitmapEffectOuter(out SafeMILHandle/* IMILBitmapEffect */ ppEffect); 

            [DllImport(DllImport.MilCore, EntryPoint = "MILInitializeBitmapEffectPublic")] 
            internal static extern int /* HRESULT */
              InitializeBitmapEffect(SafeHandle /*IMILBitmapEffect */ pOuter,
                 SafeHandle/* IMILBitmapEffectPrimitice */ pInner);
        } 

    } 
} 


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

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