hwndDeskTop (HWND) - input

      Desktop-window handle.

      HWND_DESKTOP

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

      hptrNewPointer (HPOINTER) - input

        New pointer handle.

        NULL

          Remove pointer from the screen.
        Other
          Pointer handle associated with hwndDeskTop. Handles for application-defined pointers are returned by the WinLoadPointer and WinCreatePointer calls.

        rc (BOOL) - returns

          Pointer-updated indicator.

          TRUE

            Pointer successfully updated
          FALSE
            Pointer not successfully updated.

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