hwndDeskTop (HWND) - input

      Desktop-window handle.

    pDeskTopState (PDESKTOP) - input

      Desktop-state structure.

      If the flag is set, then the background is unaffected although the bit-map file may still be loaded and tiled, or scaled as requested.

    hbm (HBITMAP) - returns

      Desktop background bit-map handle loaded or set.

      NULLHANDLE

        Error occurred.
      Other
        Bit-map handle loaded, set, or both for desktop background. The bit-map handle returned may be different from that passed into call if any scaling or tiling is performed.


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