[flexcoders] Simple addEventListener Question!

[flexawesome]

hey there,

I am working on the addEventListener and I would like to change the
title for "panel_01" once "panel_02" has moved, there is no error for
the code below, but won't work.

Do you have any suggestion? Thanks

==========================================================
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
layout="absolute"  creationComplete="initApp(event)">
    <mx:Script>
        <![CDATA[
        
                import flash.events.Event; 
                import mx.core.*       

                        private function initApp(event:Event):void{
                                panel_02.addEventListener(Event.CHANGE, 
moveHandler);
                        }


        
                private function moveHandler(event:Event):void {
                                panel_01.title = "Detected"
                                trace("got");
                }
                
                private function movePanel(event:Event):void{
                        panel_02.move(350,109);
                        
                }

        ]]>
    </mx:Script>

        <mx:Panel id="panel_01" x="64" y="109" width="250" height="200"
layout="absolute">
        </mx:Panel>
        
        <mx:Panel id="panel_02" x="432" y="109" width="250" height="200"
layout="absolute">
        </mx:Panel>
        <mx:Button x="346" y="390" label="Button" click="movePanel(event);"/>
        
</mx:Application>
==========================================================