给panel添加icon

<?xml version="1.0" encoding="utf-8"?> 
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
        layout="horizontal" 
        backgroundColor="white" 
        applicationComplete="init();"> 
  
    <mx:Script> 
        <![CDATA[ 
            [Embed(source='bulletCheck.png')] 
            private static const ico:Class; 
  
            private var panel:Panel; 
  
            private function init():void { 
                var image:Image = new Image(); 
                image.source = "http://blog.minidx.com/ext02/image2.jpg"; 
  
                panel = new Panel(); 
                panel.titleIcon = ico; 
                panel.title = "Brought to you by ActionScript"; 
                panel.addChild(image); 
                addChild(panel); 
            } 
        ]]> 
    </mx:Script> 
  
    <mx:Panel title="Brought to you by MXML" titleIcon="{ico}" id="pan"> 
        <mx:Image id="img" source="http://blog.minidx.com/ext02/image1.jpg" /> 
    </mx:Panel> 
  
</mx:Application>