Actionscript 3 动态地向组件添加子组件，然后动态地操作它们？

我不知道为什么这不起作用。我有一个tabnavigator，我动态地添加了一个navigatecontainer，其中有一个textarea动态地添加到nav容器中。两者的id与chatguys[c][0]具有相同的stringname。 它给出的错误是“TypeError:Error#1034:Type强制失败：无法转换spark.skins.spark:”SkinnableContainerSkin@9737851去spark.components.TextArea。“在运行时。怎么办

非常感谢您的帮助，谢谢：(

varidx:uint；
const len:uint=navigate.numChildren；
var alreadyexists:Boolean=false；
对于（idx=0；idx

b在这里我会给你看下半场的比赛，这很好，但是也许我需要用不同的方式来完成我需要做的事情

 var chats:Array = [];
        var chatguys:Array = [];

        public function userlist_click() :void{
            var windowname:Object =users_lst.selectedItem;
                            var idx:uint;
                 const len:uint = navigate.numChildren;
                 trace(navigate.numChildren);
                 var alreadyexists:Boolean = false;
                 for (idx = 0; idx < len; idx++) {


                    var check:NavigatorContent = navigate.getChildAt(idx) as NavigatorContent;



                     if (check.label == windowname.name)
                             {
                             alreadyexists = true;
                             }
                 } 
                 if (alreadyexists == false)
                 {

                 chats[windowname.name] = new spark.components.TextArea();
                 chats[windowname.name].x = 10;
                 chats[windowname.name].y= 32; 
                 chats[windowname.name].width= 517.19696 ;
                 chats[windowname.name].height= 343.18182;
                 chats[windowname.name].scroller
                 chats[windowname.name].x="9";
                 chats[windowname.name].y="2";
                 chats[windowname.name].width="517.19696";
                 chats[windowname.name].height="343.18182";

                 chats[windowname.name].setStyle("skinClass", spark.skins.spark.TextAreaSkin);
                 //textArea.skinClass= "spark.skins.spark.TextAreaSkin";
                 chats[windowname.name].text="ffg";
                 chats[windowname.name].setStyle("verticalScrollPolicy", ScrollPolicy.ON);

                 var match = new Array();
                 match.push(windowname.name);
                 match.push('bob');
                 chatguys.push(match);
               for (var i in chatguys){
                   if (chatguys[i][0] == windowname.name){
                 chats[windowname.name].textFlow=TextConverter.importToFlow(chatguys[i][1], TextConverter.TEXT_FIELD_HTML_FORMAT);
               }}

                 chats[windowname.name].id = windowname.name;
                 trace(chats[windowname.name]);

                 var messagebox:NavigatorContent = new NavigatorContent;
                 messagebox.percentWidth= 100;
                 messagebox.percentHeight= 100;
                 messagebox.label = chats[windowname.name];
                 messagebox.id = chats[windowname.name];
                 trace(messagebox.label);
                 messagebox.addElement(chats[windowname.name]);
                 navigate.addChild(messagebox); }}

var-chats:Array=[]；
var:Array=[]；
公用函数userlist_click（）：void{
var windowname:Object=users\u lst.selectedItem；
var-idx:uint；
const len:uint=navigate.numChildren；
跟踪（导航到numChildren）；
var alreadyexists:Boolean=false；
对于（idx=0；idx

错误还应该告诉您行号，请告诉我们导致错误的行是什么/spark.components.TextArea（DisplayObjectContainer（navigate.getChildAt（idx））.getChildAt（chatguys[c][0]）。textFlow=TextConverter.ImportFlow（chatguys[c][1]，TextConverter.TEXT\u FIELD\u HTML\u格式）；是唯一可能的地方，因为这是我尝试访问textarea的唯一地方，出于某种原因，它没有抓取textarea，而是spark skinnable容器。另外，令人难以置信的是，如果您看到我可能做错了或有更好的方法，我将非常感谢您的分享或展示如果，不管出于什么原因，其他人发现他们自己在做我正在做的事情，为了避免你在谷歌上搜索的麻烦，这里有一个解决方案（以及生活的答案）spark.components.TextArea（spark.components.NavigatorContent（DisplayObjectContainer（navigate.getChildAt（idx））.getElementAt（0））.textFlow=TextConverter.ImportFlow（chatguys[c][1]，TextConverter.TEXT\u FIELD\u HTML\u格式）；

 var chats:Array = [];
        var chatguys:Array = [];

        public function userlist_click() :void{
            var windowname:Object =users_lst.selectedItem;
                            var idx:uint;
                 const len:uint = navigate.numChildren;
                 trace(navigate.numChildren);
                 var alreadyexists:Boolean = false;
                 for (idx = 0; idx < len; idx++) {


                    var check:NavigatorContent = navigate.getChildAt(idx) as NavigatorContent;



                     if (check.label == windowname.name)
                             {
                             alreadyexists = true;
                             }
                 } 
                 if (alreadyexists == false)
                 {

                 chats[windowname.name] = new spark.components.TextArea();
                 chats[windowname.name].x = 10;
                 chats[windowname.name].y= 32; 
                 chats[windowname.name].width= 517.19696 ;
                 chats[windowname.name].height= 343.18182;
                 chats[windowname.name].scroller
                 chats[windowname.name].x="9";
                 chats[windowname.name].y="2";
                 chats[windowname.name].width="517.19696";
                 chats[windowname.name].height="343.18182";

                 chats[windowname.name].setStyle("skinClass", spark.skins.spark.TextAreaSkin);
                 //textArea.skinClass= "spark.skins.spark.TextAreaSkin";
                 chats[windowname.name].text="ffg";
                 chats[windowname.name].setStyle("verticalScrollPolicy", ScrollPolicy.ON);

                 var match = new Array();
                 match.push(windowname.name);
                 match.push('bob');
                 chatguys.push(match);
               for (var i in chatguys){
                   if (chatguys[i][0] == windowname.name){
                 chats[windowname.name].textFlow=TextConverter.importToFlow(chatguys[i][1], TextConverter.TEXT_FIELD_HTML_FORMAT);
               }}

                 chats[windowname.name].id = windowname.name;
                 trace(chats[windowname.name]);

                 var messagebox:NavigatorContent = new NavigatorContent;
                 messagebox.percentWidth= 100;
                 messagebox.percentHeight= 100;
                 messagebox.label = chats[windowname.name];
                 messagebox.id = chats[windowname.name];
                 trace(messagebox.label);
                 messagebox.addElement(chats[windowname.name]);
                 navigate.addChild(messagebox); }}