             return;
         
         _rowBackground = value;
+        invalidateDisplayList();
         dispatchChangeEvent("rowBackgroundChanged");
     }
     

            return;
        
        _rowSeparator = value;
        dispatchChangeEvent("rowSeparatorChanged");
    }    
    

            return;
        
        _columnSeparator = value;
        invalidateDisplayList();
        dispatchChangeEvent("columnSeparatorChanged");
    }    
    
