private static extern NtStatus SamLookupNamesInDomain(SafeSamHandle domainHandle, int count, UnicodeString[] names, out SafeSamPointer relativeIds, out SafeSamPointer use);
private static extern NtStatus SamQueryInformationDomain(SafeSamHandle domainHandle, SamDomainInformationClass domainInformationClass, out SafeSamPointer buffer);