C#创建宽带连接(PPPOE)并拨号换IP(win XP/win7下测试通过) Do...

winxp win7已测试通过可用


public partial class MainForm : Form{public MainForm(){InitializeComponent();CreateConnect("PPPoEDial");btn_Hungup.Enabled = false;}public void CreateConnect(string ConnectName){RasDialer dialer = new RasDialer();RasPhoneBook book = new RasPhoneBook();try {book.Open(RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.User));if (book.Entries.Contains(ConnectName)) {book.Entries[ConnectName].PhoneNumber = " ";book.Entries[ConnectName].Update();} else {ReadOnlyCollection<RasDevice> readOnlyCollection = RasDevice.GetDevices();RasDevice device = RasDevice.GetDevices().Where(o => o.DeviceType == RasDeviceType.PPPoE).First();RasEntry entry = RasEntry.CreateBroadbandEntry(ConnectName, device);entry.PhoneNumber = " ";book.Entries.Add(entry);}} catch (Exception) {lb_Status.Text = "创建PPPoE连接失败";}}void Btn_DialupClick(object sender, EventArgs e){try {string username = Username.Text.Replace("\\r","\r").Replace("\\n","\n");string password = Password.Text.ToString();RasDialer dialer = new RasDialer();dialer.EntryName = "PPPoEDial";dialer.PhoneNumber = " ";dialer.AllowUseStoredCredentials = true;dialer.PhoneBookPath = RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.User);dialer.Credentials = new NetworkCredential(username, password);dialer.Timeout = 1000;RasHandle myras = dialer.Dial();while (myras.IsInvalid) {lb_Status.Text = "拨号失败";}if (!myras.IsInvalid) {lb_Status.Text = "拨号成功! ";RasConnection conn = RasConnection.GetActiveConnectionByHandle(myras);RasIPInfo ipaddr = (RasIPInfo)conn.GetProjectionInfo(RasProjectionType.IP);lb_IPAddr.Text = "获得IP： " ipaddr.IPAddress.ToString();btn_Dialup.Enabled = false;btn_Hungup.Enabled = true;}} catch (Exception) {lb_Status.Text = "拨号出现异常";}}void Btn_HungupClick(object sender, EventArgs e){try {ReadOnlyCollection<RasConnection> conList = RasConnection.GetActiveConnections();foreach (RasConnection con in conList) {con.HangUp();}Thread.Sleep(1000);lb_Status.Text = "注销成功";lb_IPAddr.Text = "已注销";btn_Dialup.Enabled = true;btn_Hungup.Enabled = false;} catch (Exception) {lb_Status.Text = "注销出现异常";}}}