<?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"
width="300" height="50"
viewSourceURL="srcview/index.html">
<fx:Script>
<![CDATA[
private var moveIncrement:Number = 10;
private function enterFrameHandler(event:Event):void
{
button.x += moveIncrement;
if (button.x + button.width > width)
{
button.x = width - button.width;
moveIncrement = -moveIncrement;
}
else if (button.x < 0)
{
button.x = 0;
moveIncrement = -moveIncrement;
}
}
]]>
</fx:Script>
<s:Button id="button" label="Move Me" click="addEventListener('enterFrame', enterFrameHandler)"/>
</s:Application>