/* Callback used when screen needs redrawing. 
This function is used as a calback during redrawing all screen elements.  */
static void _cbInvalidateWindow(WM_HWIN hWin, void *p)
/* Callback used when screen needs redrawing. 
This function is used as a calback during redrawing all screen elements.  */
static void _cbInvalidateWindow(WM_HWIN hWin, void *p)
{
  (void)p;
  WM_InvalidateWindow(hWin);
}