         }
         
         //----------------------------------
-        //  selection for rows and TBD columns
+        //  selection for rows
         //----------------------------------    
         
         /**

        private function getGridColumn(columnIndex:int):GridColumn
        {
            const columns:IList = columns;
            if ((columns == null) || (columnIndex >= columns.length))
                return null;
            
            return columns.getItemAt(columnIndex) as GridColumn;

        
        //--------------------------------------------------------------------------
        //
        //  GridLayout Cover Methods, Properties
        //
        //--------------------------------------------------------------------------
		
        /**
         *  @copy spark.components.supportClasses.GridLayout#getVisibleRowIndices()
         *  
