/* from ntddvdeo.h */ #define INITGUID #include DEFINE_GUID(GUID_DEVINTERFACE_DISPLAY_ADAPTER, 0x5b45201d, 0xf2f2, 0x4f3b, 0x85, 0xbb, 0x30, 0xff, 0x1f, 0x95, 0x35, 0x99);