MouseEvent.CLICK
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="initApp()"> <mx:Script> import mx.controls.Alert; private function initApp():void { b1.addEventListener(MouseEvent.CLICK, myEventHandler); } private function myEventHandler(event:Event):void { Alert.show("An event occurred"); } </mx:Script> <mx:Button id="b1" label="Click Me" /> </mx:Application>