_OBJECTID_ATTRIBUTE

type _OBJECTID_ATTRIBUTE = record

  ObjectId: GUID;

  case Integer of

    0: (

        BirthVolumeId: GUID;

        BirthObjectId: GUID;

        DomainId: GUID;

      );

    1: (

        ExtendedInfo: array [0..47] of UCHAR;

      );

end;