C# 实现拨号重连

先断开网络连接

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

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