hwndDeskTop (HWND) - input

      Desktop-window handle.

      HWND_DESKTOP

        The desktop-window handle
      Other
        Specified desktop-window handle.

      lx (LONG) - input

        x-position of pointer in screen coordinates.

      ly (LONG) - input

        y-position of pointer in screen coordinates.

      rc (BOOL) - returns

        Pointer position updated indicator.

        TRUE

          Pointer position successfully updated
        FALSE
          Pointer position not successfully updated.

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