 
 package spark.components
 { 
+    import flash.display.InteractiveObject;
     import flash.events.Event;
     import flash.events.MouseEvent;
     import flash.geom.Point;

            
            const event:GridEvent = new GridEvent(
                type, bubbles, cancelable, 
                gridXY.x, gridXY.y, 0, columnIndex, column, item, itemRenderer, 
                ctrlKey, altKey, shiftKey, buttonDown, delta);
            dispatchEvent(event);
        }     
    }

            const itemRenderer:IVisualElement = dataGroup.getElementAt(columnIndex);
            const bubbles:Boolean = mouseEvent.bubbles;
            const cancelable:Boolean = mouseEvent.cancelable;
            const relatedObject:InteractiveObject = mouseEvent.relatedObject;
            const ctrlKey:Boolean = mouseEvent.ctrlKey;
            const altKey:Boolean = mouseEvent.altKey;
            const shiftKey:Boolean = mouseEvent.shiftKey;
