Use Canvas to wrap Buttons
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:HBox width="100%" height="100%"> <mx:Canvas width="50%" height="100%"> <mx:Button label="Button 1" bottom="10" right="10"/> <mx:Button label="Button 2" bottom="40" right="10"/> </mx:Canvas> <mx:Panel width="50%" height="100%" layout="absolute"> </mx:Panel> </mx:HBox> </mx:Application>