         columnIndex:int = -1,
         column:GridColumn = null,
         item:Object = null,
-        itemRenderer:IVisualElement = null,
+        itemRenderer:IGridItemRenderer = null,
         relatedObject:InteractiveObject = null,
         ctrlKey:Boolean = false,
         altKey:Boolean = false,


import mx.core.IVisualElement;

import spark.components.supportClasses.GridColumn;

/**

     *  @playerversion AIR 2.0
     *  @productversion Flex 4.5 
     */       
    public var itemRenderer:IGridItemRenderer;
    
    
    //--------------------------------------------------------------------------
