Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / CompMod / System / Runtime / InteropServices / StandardOleMarshalObject.cs / 1 / StandardOleMarshalObject.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Runtime.InteropServices { using System.Diagnostics; using System; using Microsoft.Win32; using System.Security; using System.Security.Permissions; ////// /// /// Replaces the standard CLR free-threaded marshaler with the standard OLE STA one. This prevents the calls made into /// our hosting object by OLE from coming in on threads other than the UI thread. /// /// [ComVisible(true)] [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Interoperability", "CA1403:AutoLayoutTypesShouldNotBeComVisible")] public class StandardOleMarshalObject : MarshalByRefObject, UnsafeNativeMethods.IMarshal { protected StandardOleMarshalObject() { } [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] private IntPtr GetStdMarshaller(ref Guid riid, int dwDestContext, int mshlflags) { IntPtr pStdMarshal = IntPtr.Zero; IntPtr pUnk = Marshal.GetIUnknownForObject(this); if (pUnk != IntPtr.Zero) { try { if (NativeMethods.S_OK == UnsafeNativeMethods.CoGetStandardMarshal(ref riid, pUnk, dwDestContext, IntPtr.Zero, mshlflags, out pStdMarshal)) { Debug.Assert(pStdMarshal != null, "Failed to get marshaller for interface '" + riid.ToString() + "', CoGetStandardMarshal returned S_OK"); return pStdMarshal; } } finally { Marshal.Release(pUnk); } } throw new InvalidOperationException(SR.GetString(SR.StandardOleMarshalObjectGetMarshalerFailed, riid.ToString())); } ////// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.GetUnmarshalClass(ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags, out Guid pCid){ pCid = typeof(UnsafeNativeMethods.IStdMarshal).GUID; return NativeMethods.S_OK; } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.GetMarshalSizeMax(ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags, out int pSize) { // 98830 - GUID marshaling in StandardOleMarshalObject AVs on 64-bit Guid riid_copy = riid; IntPtr pStandardMarshal = GetStdMarshaller(ref riid_copy, dwDestContext, mshlflags); try { return UnsafeNativeMethods.CoGetMarshalSizeMax(out pSize, ref riid_copy, pStandardMarshal, dwDestContext, pvDestContext, mshlflags); } finally { Marshal.Release(pStandardMarshal); } } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.MarshalInterface(object pStm, ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags) { IntPtr pStandardMarshal = GetStdMarshaller(ref riid, dwDestContext, mshlflags); try { return UnsafeNativeMethods.CoMarshalInterface(pStm, ref riid, pStandardMarshal, dwDestContext, pvDestContext, mshlflags); } finally { Marshal.Release(pStandardMarshal); if (pStm != null) { Marshal.ReleaseComObject(pStm); } } } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.UnmarshalInterface(object pStm, ref Guid riid, out IntPtr ppv) { // this should never be called on this interface, but on the standard one handed back by the previous calls. Debug.Fail("IMarshal::UnmarshalInterface should not be called."); ppv = IntPtr.Zero; if (pStm != null) { Marshal.ReleaseComObject(pStm); } return NativeMethods.E_NOTIMPL; } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.ReleaseMarshalData(object pStm) { // this should never be called on this interface, but on the standard one handed back by the previous calls. Debug.Fail("IMarshal::ReleaseMarshalData should not be called."); if (pStm != null) { Marshal.ReleaseComObject(pStm); } return NativeMethods.E_NOTIMPL; } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.DisconnectObject(int dwReserved) { // this should never be called on this interface, but on the standard one handed back by the previous calls. Debug.Fail("IMarshal::DisconnectObject should not be called."); return NativeMethods.E_NOTIMPL; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Runtime.InteropServices { using System.Diagnostics; using System; using Microsoft.Win32; using System.Security; using System.Security.Permissions; ////// /// /// Replaces the standard CLR free-threaded marshaler with the standard OLE STA one. This prevents the calls made into /// our hosting object by OLE from coming in on threads other than the UI thread. /// /// [ComVisible(true)] [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Interoperability", "CA1403:AutoLayoutTypesShouldNotBeComVisible")] public class StandardOleMarshalObject : MarshalByRefObject, UnsafeNativeMethods.IMarshal { protected StandardOleMarshalObject() { } [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] private IntPtr GetStdMarshaller(ref Guid riid, int dwDestContext, int mshlflags) { IntPtr pStdMarshal = IntPtr.Zero; IntPtr pUnk = Marshal.GetIUnknownForObject(this); if (pUnk != IntPtr.Zero) { try { if (NativeMethods.S_OK == UnsafeNativeMethods.CoGetStandardMarshal(ref riid, pUnk, dwDestContext, IntPtr.Zero, mshlflags, out pStdMarshal)) { Debug.Assert(pStdMarshal != null, "Failed to get marshaller for interface '" + riid.ToString() + "', CoGetStandardMarshal returned S_OK"); return pStdMarshal; } } finally { Marshal.Release(pUnk); } } throw new InvalidOperationException(SR.GetString(SR.StandardOleMarshalObjectGetMarshalerFailed, riid.ToString())); } ////// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.GetUnmarshalClass(ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags, out Guid pCid){ pCid = typeof(UnsafeNativeMethods.IStdMarshal).GUID; return NativeMethods.S_OK; } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.GetMarshalSizeMax(ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags, out int pSize) { // 98830 - GUID marshaling in StandardOleMarshalObject AVs on 64-bit Guid riid_copy = riid; IntPtr pStandardMarshal = GetStdMarshaller(ref riid_copy, dwDestContext, mshlflags); try { return UnsafeNativeMethods.CoGetMarshalSizeMax(out pSize, ref riid_copy, pStandardMarshal, dwDestContext, pvDestContext, mshlflags); } finally { Marshal.Release(pStandardMarshal); } } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.MarshalInterface(object pStm, ref Guid riid, IntPtr pv, int dwDestContext, IntPtr pvDestContext, int mshlflags) { IntPtr pStandardMarshal = GetStdMarshaller(ref riid, dwDestContext, mshlflags); try { return UnsafeNativeMethods.CoMarshalInterface(pStm, ref riid, pStandardMarshal, dwDestContext, pvDestContext, mshlflags); } finally { Marshal.Release(pStandardMarshal); if (pStm != null) { Marshal.ReleaseComObject(pStm); } } } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.UnmarshalInterface(object pStm, ref Guid riid, out IntPtr ppv) { // this should never be called on this interface, but on the standard one handed back by the previous calls. Debug.Fail("IMarshal::UnmarshalInterface should not be called."); ppv = IntPtr.Zero; if (pStm != null) { Marshal.ReleaseComObject(pStm); } return NativeMethods.E_NOTIMPL; } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.ReleaseMarshalData(object pStm) { // this should never be called on this interface, but on the standard one handed back by the previous calls. Debug.Fail("IMarshal::ReleaseMarshalData should not be called."); if (pStm != null) { Marshal.ReleaseComObject(pStm); } return NativeMethods.E_NOTIMPL; } /// /// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] int UnsafeNativeMethods.IMarshal.DisconnectObject(int dwReserved) { // this should never be called on this interface, but on the standard one handed back by the previous calls. Debug.Fail("IMarshal::DisconnectObject should not be called."); return NativeMethods.E_NOTIMPL; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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