施用AS脚本修改TextArea内容,并监听TextArea内容变化事件

使用AS脚本修改TextArea内容,并监听TextArea内容变化事件

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软件编程牛人

TextArea change事件,当用数据绑定,或使用AS语言改变TextArea内容时,此事件不发生

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如需监听TextArea内容改变,可改用监听textChanged事件

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package com.duoduo.lastday.view.ui.chat{import flash.events.*;import mx.controls.TextArea;public class ChatMess extends TextArea{public function ChatMess(){super();this.verticalScrollPolicy="off";this.addEventListener("textChanged", changeHeight);this.setStyle("borderStyle", "none");}private function changeHeight(event:Event):void{trace("text改变");trace("abc");this.height=this.textHeight;trace("th:" + this.textHeight);this.validateNow();trace("h:" + this.height);}}}

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