摘要：
1 Win8 Metro下的MessageBoxprivateasyncvoidNo_But_Click(objectsender,RoutedEventArgse){MessageDialogmsg=newMessageDialog("你真的要确定退出你的应用吗？","桂素伟提示");msg.Commands.Add(newUICommand("是",newUICommandInvokedHandler(this.CommandInvokedHandler)));msg.Commands.Add(newUICommand(" 阅读全文