Binding to array elements

         
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
  <mx:Script>
    
    import mx.collections.ArrayCollection;
    [Bindable]
    public var myAC:ArrayCollection = new ArrayCollection(["A", "B", "C", "D"]);
    [Bindable]
    public var myAC2:ArrayCollection = new ArrayCollection(["a", "b", "c", "d"]);
  </mx:Script>
  <mx:Text id="text1" text="{myAC[0]}" />
  <mx:Text id="text2" text="{myAC.getItemAt(0)}" />
  <mx:Button id="button1" label="Change Element" click="myAC[0]='new One'" />
  <mx:Button id="button2" label="Change ArrayCollection"   click="myAC=myAC2" />
</mx:Application>

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Binding to array elements : Array « Data Model « Flex

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