public IChannelListenerPage()
        {
            InitializeComponent();
            ///监听者
            IChannelListener <IReplyChannel> listener = binding.BuildChannelListener <IReplyChannel>(new Uri("http://localhost:9090/RequestReplyService"), new BindingParameterCollection());

            listener.Open();//打开
            //创建IReplyChannel
            IReplyChannel replyChannel = listener.AcceptChannel();

            replyChannel.Open();//打开IReplyChannel应答通道
        }