Component with Namespace
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Canvas width="400" height="300"> <mx:Panel title="Namespace Example" paddingLeft="10" paddingRight="10" paddingBottom="10" paddingTop="10" horizontalAlign="center"> <mx:Button label="Do It" /> </mx:Panel> </mx:Canvas> </mx:Application>