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Using binding to capture the selection of a List-based component

<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">     <mx:Script>                  import mx.collections.ArrayCollection;         import mx.events.ListEvent;         import mx.controls.Alert;         public var myAC:ArrayCollection = new ArrayCollection([             {name:"A", email:"a@d.com"},             {name:"B", email:"b@d.com"}]);         public function handleClick(evt:ListEvent):void         {             Alert.show(evt.rowIndex + " / col:" + evt.columnIndex + "." + "for " + evt.currentTarget.selectedItem.name);         }            </mx:Script>     <mx:DataGrid id="dg" width="500" height="150"         dataProvider="{myAC}">         <mx:columns>             <mx:DataGridColumn dataField="name"  headerText="Contact Name" width="300" />             <mx:DataGridColumn dataField="email" headerText="E-Mail"       width="200" />         </mx:columns>     </mx:DataGrid>     <mx:Label text="selected: {dg.selectedItem.name} ({dg.selectedItem.email})" fontSize="16" /> </mx:Application>