摘要：
Flex4 ButtonBar 双击出现异常，意外吧，看看运行效果就明白了<?xmlversion="1.0"encoding="utf-8"?><!--dpcontrols\sparkdpcontrols\SparkBBarEvent.mxml--><s:Applicationxmlns:fx="http://ns.adobe.com/mxml/2009"xmlns:s="library://ns.adobe.com/flex/spark"xmlns:mx="library 阅读全文