flex Alert组件

protected function exitBtn_clickHandler(event:MouseEvent):void{
Alert.yesLabel="是";
Alert.noLabel="否";
Alert.show("直接退出不会保存录制的课程","录制课程",3,this,onCloseHandler);
}

internal function onCloseHandler(evt:CloseEvent):void{
if(evt.detail==Alert.YES){
remoteSay50.updateVideo(courseId, videoXml, userId);
setTimeout(redrectPage, 1000);
}
}