public static extern unsafe int PropVariantToAdsType2(VARIANT *pVariant, uint dwNumVariant, ADSVALUE **ppAdsValues, uint *pdwNumValues, ushort *pszServerName, CCredentials *pCredentials, int fNTDSType);
public static extern unsafe int PropVariantToAdsType(VARIANT *pVariant, uint dwNumVariant, ADSVALUE **ppAdsValues, uint *pdwNumValues);