Button with rollOverEffect property
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:WipeLeft id="myWL" duration="1000" /> <mx:Panel title="My Application" paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10"> <mx:Button id="myButton" rollOverEffect="{myWL}" /> </mx:Panel> </mx:Application>