Tooltip for Button and for VBox
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Accordion height="200" width="200"> <mx:VBox toolTip="A"> <mx:Button /> </mx:VBox> <mx:VBox toolTip="B"> <mx:Button toolTip="Button" /> </mx:VBox> </mx:Accordion> </mx:Application>