 
             var trackLElement:ILayoutElement = 
                 LayoutElementFactory.getLayoutElementFor(track);
-            var trackPos:Number = trackLElement.getLayoutPositionX();
+            var trackPos:Number = trackLElement.getLayoutBoundsX();
 
-            thumbLElement.setLayoutPosition(Math.round(trackPos + thumbPos),
-                                            thumbLElement.getLayoutPositionY());
+            thumbLElement.setLayoutBoundsPosition(Math.round(trackPos + thumbPos),
+                                                  thumbLElement.getLayoutBoundsY());
         }
     }
     

     */
    override protected function get trackSize():Number
    {
        return track ? LayoutElementFactory.getLayoutElementFor(track).getLayoutWidth() : 0;
    }

    /**

     */
    override protected function calculateThumbSize():Number
    {
        return LayoutElementFactory.getLayoutElementFor(thumb).getLayoutBoundsWidth();
    }

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