According to this doc
there should be a method "GetObjectForIUnknownWithBlanket" in "System.Runtime.InteropServices.Marshal". Tried to use it, but all I get is:
error CS0117: 'System.Runtime.InteropServices.Marshal' does not contain a definition for 'GetObjectForIUnknownWithBlanket'
I am using VS2010. Target Framework is set to ".NET Framework 4". So, how can call this method?
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