_WSACOMPLETION

type _WSACOMPLETION = record

  Type_: WSACOMPLETIONTYPE;

  case Integer of

    0: (

        hWnd: HWND;

        uMsg: UINT;

        context: WPARAM;

      );

    3: (

        lpOverlapped: LPWSAOVERLAPPED;

        hPort: HANDLE;

        Key: ULONG_PTR;

      );

end;