         requestedMinRowCount: int(-1),
         requestedMinColumnCount: int(-1),
         rowHeight: NaN,
+        showDataTips: false,
         typicalItem: null,
-        variableRowHeight: true            
+        variableRowHeight: true,
+        dataTipField: null,
+        dataTipFunction:null
     };
     
     /** 

            // positions.
            setSelectionAnchorCaret(rowIndex, columnIndex);
        }
    } 
    
    //--------------------------------------------------------------------------
    //


import mx.collections.IList;
import mx.core.IFactory;
import mx.core.IToolTip;
import mx.core.IVisualElement;
import mx.core.mx_internal;
import mx.events.FlexEvent;
