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Get selected value, state, capital and index

<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">     <mx:Script>                  import flash.events.Event;         import mx.events.DropdownEvent;         private function dropEvt(event:DropdownEvent):void {             forChange.text+=event.type + "\n";         }         private function changeEvt(event):void {             forChange.text=event.currentTarget.selectedItem.state + " " + event.currentTarget.selectedItem.capital + " " + event.currenttarget.selectedIndex;         }            </mx:Script>     <mx:ComboBox open="dropEvt(event)" close="dropEvt(event)"         change="changeEvt(event)" labelField="state">         <mx:ArrayCollection>             <mx:Object state="A" capital="AA" />             <mx:Object state="B" capital="BB" />             <mx:Object state="C" capital="CC" />         </mx:ArrayCollection>     </mx:ComboBox>     <mx:TextArea id="forChange" width="150" height="100%" /> </mx:Application>