访问双工服务

// Code in the MainPage.xaml.cs page.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.ServiceModel;
using System.ServiceModel.Channels;
using DuplexClient.OrderService;


namespace DuplexClient
{
    public partial class MainPage : UserControl
    {

        public MainPage()
        {
            InitializeComponent();
 
            // If using the PollingDuplexHttpBinding on the service
            EndpointAddress address = new EndpointAddress("http://localhost:19021/Service1.svc");
            PollingDuplexHttpBinding binding = new PollingDuplexHttpBinding(PollingDuplexMode.MultipleMessagesPerPoll);

            DuplexServiceClient proxy = new DuplexServiceClient(binding, address);
            
            // If using a NetTcpBinding on the service
            // DuplexServiceClient proxy = new DuplexServiceClient();
            proxy.ReceiveReceived += new EventHandler<ReceiveReceivedEventArgs>(proxy_ReceiveReceived);
            proxy.OrderAsync("Widget", 3);
            reply.Text = "Sent order of 3 Widgets." + Environment.NewLine;

        }

        void proxy_ReceiveReceived(object sender, ReceiveReceivedEventArgs e)
        {
            if (e.Error == null)
            {
                reply.Text += "Service reports Widget order is " + e.order.Status + "." + Environment.NewLine;

                if (e.order.Status == OrderStatus.Completed)
                {
                    reply.Text += "Here is the completed order:" + Environment.NewLine;

                    foreach (string order in e.order.Payload)
                    {
                        reply.Text += order + Environment.NewLine;
                    }
                }

            }
        }

    }
}