下面的代码什么地方存在异常，期待高手解决

下面的代码什么地方存在错误，期待高手解决
我现在有这么一段代码，就是弹出窗口，并加了特效的，效果能显示出来，但就是存在两个问题，第一：如果弹出窗口有ComboBox，并且这个ComboBox的数据是动态查询的，那么在ComboBox前面的Label将会错误，例如下面代码，“父节点”三个字会错位，第二：如果界面上又List控件，并且数据是动态的，那么List里面的数据显示不清，只显示数据的20%，不知道这样的问题如何解决，，希望大侠赐教：

XML code


    <mx:FormItem label="父节点：" required="true">
    <mx:ComboBox id="parentNode" dataProvider="{departments}" labelFunction="disDepName" labelField="name" />
    </mx:FormItem>

我的弹出窗口代码是：

XML code


package com.jrosion.comas
{
    import flash.display.DisplayObject;
    import flash.external.ExternalInterface;
    
    import mx.core.Application;
    import mx.core.IFlexDisplayObject;
    import mx.effects.Blur;
    import mx.effects.Zoom;
    import mx.events.TweenEvent;
    import mx.managers.PopUpManager;
  
    public class PopUpEffect
    {   
  
        public function PopUpEffect(){}   
  
        public static function Show(control:IFlexDisplayObject, parent:DisplayObject, modal:Boolean=true):void   
        {   
            var mShowEffect:Zoom = new Zoom();
            mShowEffect.zoomWidthTo=1;   
            mShowEffect.zoomHeightFrom=0;   
            mShowEffect.zoomWidthFrom=0;   
            mShowEffect.duration=600; 
            mShowEffect.target=control;
            mShowEffect.reverse();
            mShowEffect.play();
            PopUpManager.addPopUp(control, DisplayObject(Application.application), modal);
            control.x = (Application.application.width - control.width) / 2;
            control.y = (Application.application.height - control.height) / 2;
            PopUpManager.centerPopUp(control);
        }   
  
        public static function Hide(control:IFlexDisplayObject):void   
        {   
            var mHideEffect:Blur = new Blur();   
            mHideEffect.blurXFrom=0;   
            mHideEffect.blurYFrom=0;   
            mHideEffect.blurXTo=255;   
            mHideEffect.blurYTo=255;   
            mHideEffect.duration=300;   
            mHideEffect.target=control;   
            mHideEffect.play();
            mHideEffect.addEventListener(TweenEvent.TWEEN_END, function():void
                {   
                    PopUpManager.removePopUp(control);   
                });   
        }   
    }   
}

------解决方案--------------------
弹出窗口creationComplete后再加载数据
------解决方案--------------------
<mx:ComboBox id="parentNode" dataProvider="{departments}" labelFunction="disDepName" labelField="name" />

用了labelFunction就不用labelField了

------解决方案--------------------
按你说的写了个例子测试了下:
PopUpWin.xml

JScript code


<?xml version="1.0" encoding="utf-8"?>
<mx:TitleWindow xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"
     width="400" height="300" title="测试PopUpEffect" showCloseButton="true"
     creationComplete="init()" fontSize="12" close="closeWin()">
     <mx:Script>
         <![CDATA[
             import mx.collections.ArrayCollection;
             [Bindable]
             private var departments:ArrayCollection = new ArrayCollection([
                 {code:'a',name : 'deptA'},
                 {code:'b',name:'deptB'},
                 {code:'c',name:'deptC'}
             ]);
             //
             private function closeWin():void{
                 PopUpEffect.Hide(this);
             }
         ]]>
     </mx:Script>
    <mx:FormItem label="父节点：" required="true">
        <mx:ComboBox id="parentNode" dataProvider="{departments}" labelField="name" />
    </mx:FormItem>

    <mx:ControlBar horizontalAlign="right">
        <mx:Button id="btClose" label="关闭" click="closeWin()"/>
    </mx:ControlBar>
</mx:TitleWindow>

下面的代码什么地方存在异常，期待高手解决

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