的Flex HBOX創建完成不調用

Question

我試圖像

obj = new HBox(); 
disp.addElement(obj); // disp object is border container but obj is mx component 

此創建的Hbox一個實例是我使用的顯示對象已被添加到父容器的方式。

但它不會調用創建完成事件。

我一直在這最近幾天工作。請幫幫我。

Answer 1

<?xml version="1.0" encoding="utf-8"?> 
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009" 
         xmlns:s="library://ns.adobe.com/flex/spark" 
         xmlns:mx="library://ns.adobe.com/flex/mx" initialize="windowedapplication1_initializeHandler(event)"> 
    <fx:Script> 
     <![CDATA[ 
      import flash.sampler.NewObjectSample; 

      import mx.containers.HBox; 
      import mx.controls.Alert; 
      import mx.events.FlexEvent; 

      protected function windowedapplication1_initializeHandler(event:FlexEvent`enter code here`):void 
      { 
       var hbo:HBox=new HBox(); 
       hbo.addEventListener(FlexEvent.CREATION_COMPLETE,ff); 
       b.addElement(hbo); 
      } 
      public function ff(e:FlexEvent):void 
      { 
       Alert.show("created") 
      } 

     ]]>`enter code here` 
    </fx:Script> 
    <fx:Declarations> 
     <!-- Place non-visual elements (e.g., services, value objects) here --> 
    </fx:Declarations> 
    <s:Group id="b"> 

    </s:Group> 
</s:WindowedApplication>