Marshal.GetDelegateForFunctionPointer(TDelegate) Method (IntPtr)
[Supported in the .NET Framework 4.5.1 and later versions]
Converts an unmanaged function pointer to a delegate of a specified type.
Assemblies: System.Runtime.InteropServices (in System.Runtime.InteropServices.dll)
mscorlib (in mscorlib.dll)
You can use the and GetFunctionPointerForDelegate(TDelegate)(TDelegate) methods to marshal delegates in both directions.
The method has the following restrictions:
You cannot pass an invalid function pointer to this method.
You can use this method only for pure unmanaged function pointers.
You cannot use this method with function pointers obtained through C++ or from the GetFunctionPointer method.
You cannot use this method to create a delegate from a function pointer to another managed delegate.
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.