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Converting text to upper with Binding

<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">   <mx:Script>          import mx.binding.utils.*;     import mx.events.FlexEvent;     public function updateMyString(val:String):void {       myTA.text = val.toUpperCase();     }     public function mySetterBinding(event:FlexEvent):void {       var watcherSetter:ChangeWatcher = BindingUtils.bindSetter(updateMyString, myTI, "text");     }   </mx:Script>   <mx:TextInput id="myTI" text="Hello Setter" />   <mx:TextArea id="myTA" initialize="mySetterBinding(event);" /> </mx:Application>