form1.cs

来自「清华大学出版社出版的 移动应用开发宝典 张大威（2008）的附书源代码」· CS 代码 · 共 52 行

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Chapter9;

namespace DataConnection
{
    public partial class Form1 : Form
    {
        private Chapter9.ConnectionManager cm = new Chapter9.ConnectionManager();

        public Form1()
        {
            InitializeComponent();
            cm.ConnectionStatusChanged += new ConnectionStatusChangedEventHandler(cm_ConnectionStatusChanged);
        }

        void cm_ConnectionStatusChanged(ConnectionStatusChangedEventArgs e)
        {
            txtStatus.Text = e.ConnectionStatus.ToString();
        }

       


        private void btnMap_Click(object sender, EventArgs e)
        {
            Uri u = new Uri(txtUrl.Text);
            lbDests.DataSource = ConnectionManager.MapUrl(u);
        }

        private void btnStatus_Click(object sender, EventArgs e)
        {
            txtStatus.Text = cm.ConnectionStatus.ToString();
        }

        private void btnConnect_Click(object sender, EventArgs e)
        {
            cm.EstablishConnection((Guid)lbDests.SelectedItem);
        }

        private void btnRelease_Click(object sender, EventArgs e)
        {
            cm.ReleaseConnection();
        }
    }
}