Use Wipe effect when creating a Button completely
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical"> <mx:Button id="button3" label="My Button With Reused Effect 1" creationCompleteEffect="{ wipeDown }" /> <mx:Button id="button4" label="My Button With Reused Effect 2" creationCompleteEffect="{ wipeDown }" /> <mx:WipeRight duration="1000" id="wipeDown" /> </mx:Application>