Cast event sender to UI control : Event « Event « Flex

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Flex » Event » Event Screenshots  Cast event sender to UI control             <?xml version="1.0" encoding="utf-8"?> <mx:Application      xmlns:mx="http://www.adobe.com/2006/mxml"      xmlns:s="library://ns.adobe.com/flex/spark">          <mx:Script>                      import spark.components.Button;             import spark.events.ElementExistenceEvent;             private function handleElementAdd( evt:ElementExistenceEvent ):void             {                 trace( (evt.element as Button).label + " has been added." );              }            </mx:Script>          <s:Group elementAdd="handleElementAdd(event);">         <mx:Button depth="100" label="button 1" />         <mx:Button label="button 2" />     </s:Group>      </mx:Application>                                                          Related examples in the same category 1. Stop event propagation 2. Hold down the Shift key while pressing the mouse button 3. Set the value of the errorString property to create an error tip 4. Nested inner function 5. Submit button call 6. Add a new button when the user presses an existing button 7. Manually dispatch an event in an MXML tag 8. UI Control initialization event 9. Add ActionScript code in the component's definition for initialize event 10. Use dispatchEvent() method to dispatch any event 11. Dispatch an event in an MXML tag 12. Create new event from ActionScript 13. Single event property access 14. Add loading complete event for URLLoader 15. Create Complete event and initialize event 16. Module loading event 17. Using error event when loading Module 18. Handling Events Inline 19. Use Event Bubbling 20. Bind getter function to phoneNumberChanged event 21. NonCommittingChangeEvent Demo 22. NonCommittingChange Event Sample 23. StartUp event Order 24. Event With Function 25. Event Bubbling 26. Set HTMLText With Initialize event 27. Get Scrolled position from ScrollEvent 28. Change Event 29. Using change event to recognize that a new item was entered into the prompt, and adds it to the data provider 30. Edit Event Prevents Edit