public static extern NTStatus LsaLookupAuthenticationPackage(LsaConnectionHandle LsaHandle, [In, MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(LsaStringMarshaler))] string PackageName, out int AuthenticationPackage);
public static extern NTStatus LsaDeregisterLogonProcess(LsaConnectionHandle LsaHandle);