         }
         
         //----------------------------------
-        //  defaultItemRenderer
-        //----------------------------------
-        
-        [Bindable("defaultItemRendererChanged")]
-        
-        private var _defaultItemRenderer:IFactory = null;
+        //  itemRenderer
+        //----------------------------------
+        
+        [Bindable("itemRendererChanged")]
+        
+        private var _itemRenderer:IFactory = null;
         
         /**
          *  The item renderer that's used for columns that do not specify one.

                return;
            
            _rowHeight = value;
            if (!variableRowHeight)
                gridDimensions.fixedRowHeight = value;
            dispatchChangeEvent("rowHeightChanged");            
        }
        

            if (value == variableRowHeight)
                return;
            
            gridDimensions.fixedRowHeight = (value) ? NaN : rowHeight;
            
            dispatchChangeEvent("variableRowHeightChanged");            
        }
        
