flex s:TextArea 回车提交数据

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<s:TextArea id="infoText" maxChars="30" width="100%" height="23" alpha=".2" />

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var config:Configuration = TextFlow.defaultConfiguration;
config.manageEnterKey = false;

Object(infoText.textDisplay).textFlow = new TextFlow(config);


infoText.addEventListener(KeyboardEvent.KEY_DOWN,sendInfo);

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protected function sendInfo(event:*):void
{
if((event is KeyboardEvent)&&event.charCode!="13")return;
//...
}