FLEX实践：DATAGRID中添加DOUBLECLICK事件

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()" backgroundGradientAlphas="[1.0, 1.0]" backgroundGradientColors="[#DBFAA6, #EFFDB5]"><![CDATA[
    import mx.events.FlexEvent;
    import Class.CarVO;
    import mx.collections.ArrayCollection;
  import mx.controls.*;
  import flash.events.*;
  
  [Bindable]public var arr:ArrayCollection=new ArrayCollection();
  private function init():void{
      var car1:CarVO=new CarVO();
      car1.name="Ford";
      car1.age=2;
      car1.available=false;
      car1.applicationName="AC";
      car1.applicationId=134;
      var car2:CarVO=new CarVO();
      car2.name="Buick";
      car2.age=1;
      car2.available=true;
      car2.applicationName="AB";
      car2.applicationId=135;
      var car3:CarVO=new CarVO();
      car3.name="BMW";
      car3.age=2;
      car3.available=true;
      car3.applicationName="AA";
      car3.applicationId=136;
      arr.addItem(car1);
      arr.addItem(car2);
      arr.addItem(car3);.addEventListener(MouseEvent.DOUBLE_CLICK,doubleClick);
}
private function doubleClick(evt:MouseEvent){
      Alert.show(dg.selectedItem.applicationName+"--"+dg.selectedItem.applicationId)
  }]]>
</mx:Script><mx:DataGrid x="344" y="160" width="432" height="199"  id="dg" dataProvider="{arr}" editable="false" doubleClickEnabled="true">
        <mx:columns>
             <mx:DataGridColumn  dataField="available" headerText="Available">   
                <mx:itemRenderer>   
                    <mx:Component>   
                    <mx:HBox>   
                        <mx:CheckBox id="chxBox" selected="{data.available}" click="outerDocument.clickHandler(this);"/>   
                    </mx:HBox>   
                    </mx:Component>   
                </mx:itemRenderer>   
            </mx:DataGridColumn> 
            <mx:DataGridColumn headerText="Name" dataField="name">   
                <mx:itemRenderer>   
                    <mx:Component>   
                        <mx:HBox> 
                            <mx:LinkButton label="{data.name}" click="outerDocument.show1();" 
                                textDecoration="underline" color="#2066CF" fontWeight="normal"/> 
                             
                        </mx:HBox>   
                    </mx:Component>   
                </mx:itemRenderer>   
            </mx:DataGridColumn>  
            <mx:DataGridColumn headerText="Age" dataField="age"/>
            <mx:DataGridColumn headerText="Application" dataField="applicationName" editable="true">   
                <mx:itemRenderer>   
                    <mx:Component>   
                        <mx:HBox> 
                            <mx:Label text="{data.applicationName}" id="applicationText" width="60%"/>
                            <mx:Button  click="outerDocument.search();" width="40%" 
                                icon="@Embed(source='images/search1.jpg')" />  
                             
                        </mx:HBox>   
                    </mx:Component>   
                </mx:itemRenderer>   
            </mx:DataGridColumn>  
            <mx:DataGridColumn headerText="ApplicationId" dataField="applicationId" /> 
        </mx:columns>
    </mx:DataGrid>    
</mx:Application> 
红色部分要记得添加哦。