1  #pragma once
2  
3  #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
4  #include <Unknwn.h>
5  #include <winrt/base.h>
6  #include <winrt/Windows.Foundation.h>
7  #include <winrt/Windows.Foundation.Collections.h>
8  #include <wil\common.h>
9  #include <wil\result.h>