C#编写免费WiFi时Internet连接共享问题

 public static void EnableInternetConnectionSharing()
        {
            string connectionToShare = "中国电信"; // 需要共享的网络连接
            string sharedForConnection = "本地连接* 11"; // 共享的家庭网络连接

            var manager = new NetSharingManager();
            var connections = manager.EnumEveryConnection;
            foreach (INetConnection c in connections)
            {
                var props = manager.NetConnectionProps[c];
                var sharingCfg = manager.INetSharingConfigurationForINetConnection[c];
                if (props.Name == connectionToShare)
                {
                    sharingCfg.EnableSharing(tagSHARINGCONNECTIONTYPE.ICSSHARINGTYPE_PUBLIC);           //指定此连接是公开还是私下共享。
                }
                else if (props.Name == sharedForConnection)
                {
                    sharingCfg.EnableSharing(tagSHARINGCONNECTIONTYPE.ICSSHARINGTYPE_PRIVATE);
                }
            }         
        }