如何将垂直布局中的标签移动到flex 4.5中的任意位置？

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<s:Application xmlns:fx=\"http://ns.adobe.com/mxml/2009\" 
               xmlns:s=\"library://ns.adobe.com/flex/spark\" 
               xmlns:mx=\"library://ns.adobe.com/flex/mx\" minWidth=\"955\" minHeight=\"600\">

    <fx:Script>
        <![CDATA[
            import mx.core.IVisualElement;

            protected function remove_clickHandler(event:MouseEvent):void
            {
                // remove element from relative container and store an instance of it
                var tempElement:IVisualElement = relativeContainer.removeElement(lbl2);

                // set the elements new position
                tempElement.right = 0;
                tempElement.top = 0;

                // Add element to absolute wrapper
                wrapper.addElement(tempElement);

                replace.enabled = true;
                remove.enabled = false;
            }

            protected function replace_clickHandler(event:MouseEvent):void
            {
                // remove element from absolute container and store an instance of it
                var tempElement:IVisualElement = wrapper.removeElement(lbl2);

                // Add element to relative container (at its origial position)
                relativeContainer.addElementAt(tempElement, 1);

                replace.enabled = false;
                remove.enabled = true;
            }

        ]]>
    </fx:Script>

    <fx:Declarations>
    </fx:Declarations>

    <!-- ABSOLUTE WRAPPER CONTAINER (THIS COULD ALSO JUST BE THE APPLICATION ITSELF, AS LONG AS ITS LAYOUT IS SET TO BASIC) -->
    <s:Group id=\"wrapper\" width=\"800\" height=\"600\">

        <!-- FILL TO POINT OUT THAT THIS IS THE ABSOLUTE CONTAINER -->
        <s:Rect id=\"outerFill\" left=\"0\" top=\"0\"
                bottom=\"0\" right=\"0\">
            <s:fill>
                <s:SolidColor color=\"#FF0000\" alpha=\".33\"/>
            </s:fill>
        </s:Rect>

        <!-- RELATIVE CONTAINER -->
        <s:BorderContainer id=\"relativeContainer\" width=\"400\" height=\"400\"
                  verticalCenter=\"0\" horizontalCenter=\"0\">

            <s:layout>
                <s:VerticalLayout />
            </s:layout>

            <s:Label id=\"lbl1\"
                     text=\"Cute Software Engineer 1\"
                     fontSize=\"32\" />
            <s:Label id=\"lbl2\"
                     text=\"Cute Software Engineer 2\"
                     fontSize=\"32\" />
            <s:Label id=\"lbl3\"
                     text=\"Cute Software Engineer 3\"
                     fontSize=\"32\" />
        </s:BorderContainer>

        <!-- CONTROLS -->
        <s:HGroup bottom=\"5\" right=\"5\">

            <s:Button id=\"remove\" 
                      label=\"Remove Element\"
                      click=\"remove_clickHandler(event)\"/>
            <s:Button id=\"replace\" bottom=\"0\" right=\"0\"
                      label=\"Replace Element\"
                      click=\"replace_clickHandler(event)\"
                      enabled=\"false\"/>
        </s:HGroup>
    </s:Group>

</s:Application>