Get Windows version before SDK for Windows 8.1

GetWindowsVersion.cpp

bool GetWindowsVersion(DWORD& major, DWORD& minor)
{	
	LPBYTE pinfoRawData;
	if (NERR_Success == NetWkstaGetInfo(NULL, 100, &pinfoRawData))
	{
		WKSTA_INFO_100 * pworkstationInfo = (WKSTA_INFO_100 *)pinfoRawData;
		major = pworkstationInfo->wki100_ver_major;
		minor = pworkstationInfo->wki100_ver_minor;
		::NetApiBufferFree(pinfoRawData);
		return true;
	}
	return false;
}