      *  The height of the rows in pixels.
      *  Unless the <code>variableRowHeight</code> property is
      *  <code>true</code>, all rows are the same height.  
-     *  If not specified, the row height is based on
-     *  the font size and other properties of the renderer.
      */
     public function get rowHeight():Number
     {

            var gapSpace:Number = gap * (totalCount - 1);
            minHeight += gapSpace;
            preferredHeight += gapSpace; 
            visibleHeight += (visibleRows < 2) ? 0 : ((visibleRows - 1) * gap); 
        }
        
        layoutTarget.measuredWidth = preferredWidth;

        {
            setRowCount(value);
 		   	var layoutTarget:Group = target;
        	if (layoutTarget != null) 
        	{
        		rowCountChanged = true;
            	layoutTarget.invalidateSize();
	            layoutTarget.invalidateDisplayList();
        	}
        }
    }

