Setting the width of ToolTips
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="init()"> <mx:Script> import mx.controls.ToolTip; public function init():void { ToolTip.maxWidth = 100; } </mx:Script> <mx:Button id="b1" label="Create Another Button" toolTip="create a new one."/> </mx:Application>