     private function textFlow_scrollHandler(event:Event):void
     {
         var containerController:IContainerController =
-            textFlow.displayController.getContainerControllerAt(0);
+            textFlow.flowComposer.getContainerControllerAt(0);
 
         var newHorizontalScrollPosition:Number =
             containerController.horizontalScrollPosition;

        }

        var containerController:IContainerController =
            textFlow.displayController.getContainerControllerAt(0);
        
        if (horizontalScrollPositionChanged)
        {

                                    event:CompositionCompletionEvent):void
    {
        var containerController:IContainerController =
            textFlow.flowComposer.getContainerControllerAt(0);

        var newContentWidth:Number =
            containerController.maxHorizontalScrollPosition;
