_RPC_ASYNC_STATE

type _RPC_ASYNC_STATE = record

  Size: Cardinal;

  Signature: Cardinal;

  Lock: LongInt;

  Flags: Cardinal;

  StubInfo: Pointer;

  UserInfo: Pointer;

  RuntimeInfo: Pointer;

  Event: RPC_ASYNC_EVENT;

  NotificationType: RPC_NOTIFICATION_TYPES;

  u: record

    case Integer of

      0: (

          NotificationRoutine: PFN_RPCNOTIFICATION_ROUTINE;

          hThread: HANDLE;

        );

      1: (

          hIOPort: HANDLE;

          dwNumberOfBytesTransferred: DWORD;

          dwCompletionKey: DWORD_PTR;

          lpOverlapped: LPOVERLAPPED;

        );

      2: (

          hWnd: HWND;

          Msg: UINT;

        );

      4: (

          hEvent: HANDLE;

        );

  end;

  Reserved: array [0..3] of LONG_PTR;

end;