+ /// Updates the view of a level given the selected items of upper level
+ virtual void UpdateLevel( int )
+ { GimmickError("INTERNAL ERROR : TreeView::UpdateLevel not overloaded");}
+
+ ///Removes selected nodes on given level
+ virtual void RemoveSelected( int )
+ { GimmickError("INTERNAL ERROR : TreeView::RemoveSelected not overloaded");}
+
+ protected:
+ TreeHandler* GetTreeHandler() { return mTreeHandler; }