      */
     public function swapElements(element1:IVisualElement, element2:IVisualElement):void
     {
-        throw new ArgumentError("This operation is not supported");
+        throw new ArgumentError(resourceManager.getString("components", "operationNotSupported"));
     }
     
     /**

     */
    public function addElementAt(element:IVisualElement, index:int):IVisualElement
    {
        throw new ArgumentError("This operation is not supported");
    }
    
    /**

 *  @copy mx.components.baseClasses.GroupBase#symbolColor
 */ 
[Style(name="symbolColor", type="uint", format="Color", inherit="yes")]

//--------------------------------------
//  Other metadata
//--------------------------------------

[ResourceBundle("components")]
    
[DefaultProperty("viewport")]

