DisplayInfo.h #pragma once enum WinVerDef { WIN_VER_UNKNOWN = -, WIN_VER_95 = , WIN_VER_98, WIN_VER_ME, WIN_VER_NT4, WIN_VER_2K, WIN_VER_XP, WIN_VER_XP64, WIN_VER_2K3, WIN_VER_2K3R2, WIN_VER_VISTA, WIN_VER_2K8, WIN_VER_2K8R2, WIN_VER_WIN7, }; class C