usWindow (USHORT)

      Window indicator.

      CMA_LEFT

        The left split window is scrolled.
      CMA_RIGHT
        The right split window is scrolled.

      lScrollInc (LONG)

        Amount to scroll.

        Amount (in pixels) by which to scroll the window.

      rc (BOOL)

        Success indicator.

        TRUE

          Successful completion
        FALSE
          An error occurred. The WinGetLastError function may return the following error:
            PMERR_INVALID_PARAMETERS.

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