                 
             contentGroupProperties = newContentGroupProperties;
             
-            var myMxmlContent:Array = contentGroup.mxmlContent;
+            var myMxmlContent:Array = contentGroup.getMXMLContent();
             
             if (myMxmlContent)
             {

     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function getHorizontalScrollPositionDelta(scrollUnit:uint):Number
    {
        return (contentGroup) ?
            contentGroup.getHorizontalScrollPositionDelta(scrollUnit) : 0;     
    }
    
    /**
     *  @inheritDoc
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function getVerticalScrollPositionDelta(scrollUnit:uint):Number
    {
        return (contentGroup) ? 
            contentGroup.getVerticalScrollPositionDelta(scrollUnit) : 0;     
    }

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

        {
            if (_placeHolderGroup != null)
            {
                var sourceContent:Array = _placeHolderGroup.getMXMLContent();
                
                contentGroup.mxmlContent = sourceContent ? sourceContent.slice() : null;
                
