  *  @productversion Flex 4
  */
 public class GraphicElement extends EventDispatcher
-    implements IGraphicElement, IInvalidating, ILayoutElement, IVisualElement, IID
+    implements IGraphicElement, IInvalidating, ILayoutElement, IVisualElement, IMXMLObject
 {
     include "../../core/Version.as";
 

        _horizontalCenter = value;
        invalidateParentSizeAndDisplayList();
    }

    //----------------------------------
    //  left

     *  storage for the y property. This property is used when a GraphicElement has a simple transform.
     */
    private var _y:Number = 0;

    //--------------------------------------------------------------------------
    //
