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Code Issues Releases Wiki Activity

Add ContextSwitcher and other IIDs. Fix IContextCallback. (#211) 

Co-authored-by: Konstantin Sharon <NN---@users.noreply.github.com>
pull/213/head
NN 2021-02-09 16:46:25 +02:00 committed by GitHub
parent c703c450f9
commit f45861e1e1
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 39 additions and 1 deletions
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33
PInvoke/Ole/Ole32/CtxtCall.cs
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@ -1,4 +1,5 @@
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Vanara.PInvoke
@ -49,7 +50,12 @@ namespace Vanara.PInvoke
/// </remarks>
// https://docs.microsoft.com/en-us/windows/win32/api/ctxtcall/nf-ctxtcall-icontextcallback-contextcallback
[PreserveSig]
HRESULT ContextCallback(PFNCONTEXTCALL pfnCallback, in ComCallData pParam, in Guid riid, int iMethod, [In, Optional] IntPtr pUnk);
HRESULT ContextCallback(
[MarshalAs(UnmanagedType.FunctionPtr)] PFNCONTEXTCALL pfnCallback,
in ComCallData pParam,
in Guid riid,
int iMethod,
[In, Optional] IntPtr pUnk);
}
/// <summary/>
@ -66,5 +72,30 @@ namespace Vanara.PInvoke
/// <summary/>
public IntPtr pUserDefined;
}
/// <summary>Provides a mechanism to execute a function inside a specific COM+ object context.</summary>
/// <remarks>An instance of this interface for the current context can be obtained using CoGetObjectContext.</remarks>
// https://docs.microsoft.com/en-us/windows/win32/api/ctxtcall/nn-ctxtcall-icontextcallback
[ComImport, Guid("0000034e-0000-0000-C000-000000000046"), ClassInterface(ClassInterfaceType.None)]
public class ContextSwitcher : IContextCallback
{
/// <inheritdoc/>
[MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)]
public virtual extern HRESULT ContextCallback(
[MarshalAs(UnmanagedType.FunctionPtr)] PFNCONTEXTCALL pfnCallback,
in ComCallData pParam,
in Guid riid,
int iMethod,
IntPtr pUnk = new IntPtr());
}
/// <summary>CLSID_ContextSwitcher</summary>
public static readonly Guid CLSID_ContextSwitcher = new Guid(0x0000034e, 0x0000, 0x0000, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46);
/// <summary>IID_IEnterActivityWithNoLock</summary>
public static readonly Guid IID_IEnterActivityWithNoLock = new Guid(0xd7174f82, 0x36b8, 0x4aa8, 0x80, 0x0a, 0xe9, 0x63, 0xab, 0x2d, 0xfa, 0xb9);
/// <summary>IID_ICallbackWithNoReentrancyToApplicationSTA</summary>
public static readonly Guid IID_ICallbackWithNoReentrancyToApplicationSTA = new Guid(0x0a299774, 0x3e4e, 0xfc42, 0x1d, 0x9d, 0x72, 0xce, 0xe1, 0x05, 0xca, 0x57);
}
}

7
UnitTests/PInvoke/Ole/Ole32/Ole32Tests.cs
View File

@ -95,5 +95,12 @@ namespace Vanara.PInvoke.Tests
Assert.That(prvRead[0].Value, Is.EqualTo("VALUE"));
}
}
[Test]
public void ContextSwitcher()
{
Assert.AreEqual(CLSID_ContextSwitcher, typeof(ContextSwitcher).GUID);
IContextCallback contextCallback = new ContextSwitcher();
}
}
}