return versionInfo.dwPlatformId = VER_PLATFORM_WIN32_NT;
return versionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT;
IsWindowsNT(){  OSVERSIONINFO versionInfo;  versionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);  ::GetVersionEx(&versionInfo);  return versionInfo.dwPlatformId = VER_PLATFORM_WIN32_NT;}