public static extern ulong VerSetConditionMask(ulong dwlConditionMask, VersionTypeMask dwTypeBitMask, VersionConditionMask dwConditionMask);
public static extern bool VerifyVersionInfo(ref OSVERSIONINFOEX lpVersionInfo, VersionTypeMask dwTypeMask, ulong dwlConditionMask);
public static extern NTStatus RtlVerifyVersionInfo( ref OsVersionInfo VersionInfo, VersionTypeMask TypeMask, ulong ConditionMask);