_OVERLAPPED

type _OVERLAPPED = record

  Internal: ULONG_PTR;

  InternalHigh: ULONG_PTR;

  Union: record

    case Integer of

      0: (

          Offset: DWORD;

          OffsetHigh: DWORD;

        );

      1: (

          Pointer: PVOID;

        );

  end;

  hEvent: HANDLE;

end;