Dispatch a Button control's click event, without clicking a Button

        
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    initialize="createListener(event)">
    <mx:Script>
    import mx.controls.Alert;
    private function createListener(e:Event):void {
        b1.addEventListener(MouseEvent.MOUSE_OVER, myEventHandler);
        b1.addEventListener(MouseEvent.CLICK, myClickHandler);
    }
    private function myEventHandler(e:Event):void {
        var result:Boolean = b1.dispatchEvent(new
        MouseEvent(MouseEvent.CLICK, true, false));
    }
    private function myClickHandler(e:Event):void {
        Alert.show("Triggered by the " + e.type + " event");
    }
  </mx:Script>
    <mx:Button id="b1" label="Click Me" />
</mx:Application>

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Dispatch a Button control's click event, without clicking a Button : Button Event « Components « Flex

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