C# Signature:

[DllImport("ole32.dll", ExactSpelling=true, PreserveSig=false)]
[return: MarshalAs(UnmanagedType.Interface)]
static extern ICancelMethodCalls CoGetCancelObject(
   uint dwThreadID,
   [In, MarshalAs(UnmanagedType.LPStruct)] Guid riid);

User-Defined Types:

[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[GuidAttribute("00000029-0000-0000-C000-000000000046")]
interface ICancelMethodCalls
{
   void Cancel(uint ulSeconds);
   void TestCancel();
}

Notes:

None.

Tips & Tricks:

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Sample Code:

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Alternative Managed API:

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