Define an event handler inline and binds a call to the handler function to the control

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

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Define an event handler inline and binds a call to the handler function to the control : Event Handler « Event « Flex

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