GetVersionEx(&vi);获取版本

inline void chWindows9xNotAllowed() {
   OSVERSIONINFO vi = { sizeof(vi) };
   GetVersionEx(&vi);
   if (vi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {
      chMB("This application requires features not present in Windows 9x.");
      ExitProcess(0);
   }
}

inline void chWindows2000Required() {
   OSVERSIONINFO vi = { sizeof(vi) };
   GetVersionEx(&vi);
   if ((vi.dwPlatformId != VER_PLATFORM_WIN32_NT) && (vi.dwMajorVersion < 5)) {
      chMB("This application requires features present in Windows 2000.");
      ExitProcess(0);
   }
}