I use the C# Service for calling the Desktop Duplication API from C++ DLL functions and it works correct whenever i use this DLL in C++ projects or C# for DLL functions calls. But there is some trouble when EnumOutputs function, of IDXGIAdapter1 COM object, is used by call from the C# Service: EnumOutputs can't detect any video output on any video adapater. I have used different log on user of service: system user, system user with permission to interact with desktop and admin, but none of this worked.
What could be reason of this problem?
I write info in the DLL function, that used EnumOutputs function, to an txt file and it shows me this:
