     //  rowCount
     //----------------------------------
 
-    /**
-     *  @private
-     */
     private var _rowCount:int = -1;
     
-    /**
-     *  @private
-     */
-    private var rowCountChanged:Boolean = false;
-
     [Inspectable(category="General")]
 
     /**
-     *  Number of rows to be displayed.
-     *  If the height of the component has been explicitly set,
-     *  this property might not have any effect.
+     *  Specifies the number of items to display.
+     * 
+     *  If <code>rowCount</code> is -1, then all of them items are displayed.
+     * 
+     *  This value implies the layout's <code>measuredHeight</code>.
+     * 
+     *  If the height of the <code>target</code> has been explicitly set,
+     *  this property has no effect.
      * 
      *  @default -1
      */

    //  rowHeight
    //----------------------------------
    
    /**
     *  @private
     */
    private var _rowHeight:Number = 20;
    
    /**
     *  @private
     */
    private var rowHeightChanged:Boolean = false;

    [Inspectable(category="General")]

    /**
     *  The height of the rows in pixels.
     *  Unless the <code>variableRowHeight</code> property is
     *  <code>true</code>, all rows are the same height.  
     */
    public function get rowHeight():Number
    {

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