先断开网络连接

1 /// 
 2 /// 断开网络连接 3 /// 
 4 public static void Logout() 5         { 6             ReadOnlyCollection
      
        conList = RasConnection.GetActiveConnections(); 7             foreach (RasConnection con in conList) 8             { 9                 con.HangUp();10             }11         }
      

重新拨号

1 /// 
 2 /// 开始拨号 3 /// 
 4 /// 
      
       返回拨号进程的返回值
       5         public static int Connect() 6         { 7             //联网参数 8             string intername = Common.DESEncrypt.DesDecrypt(Common.MethodClass.GetConfigValue("intername").ToString()); 9             string interpwd = Common.DESEncrypt.DesDecrypt(Common.MethodClass.GetConfigValue("interpwd").ToString());10 11             ProcessWindowStyle _windowstyle = ProcessWindowStyle.Hidden;12             Process pro = new Process();13             pro.StartInfo.FileName = "rasdial.exe";14 15 //intername宽带用户名，interpwd宽度密码16             pro.StartInfo.Arguments = "宽带连接" + " " + intername + " " + interpwd;17             pro.StartInfo.WindowStyle = _windowstyle;18             pro.Start();19             pro.WaitForExit();20             return pro.ExitCode;21         }

调用

1  public void buttonItem2_Click(object sender, EventArgs e) 2         { 3             Logout(); 4             if (Connect() == 0) 5             { 6                 //拨号成功 7             } 8             else 9             {10                 //拨号失败11             }12         }

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