CheckBox Checked event
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" backgroundColor="#eeeeee"> <mx:Script> import mx.controls.Alert; private function checkSelected():void { if (myCheckBox.selected) { Alert.show("You selected the CheckBox"); } else { Alert.show("You didn't select the CheckBox"); } } </mx:Script> <mx:CheckBox id="myCheckBox" label="Option selected"/> <mx:Button label="Check status" click="checkSelected()"/> </mx:Application>