Win8 app判断网络连接状态

NetworkInformation.NetworkStatusChanged += NetworkInformation_NetworkStatusChanged; //网络连接发生变化时触发        private bool IsConnectedToInternet()//有无网络连接判断        {            bool connected = false;            ConnectionProfile Conpro = NetworkInformation.GetInternetConnectionProfile();            if (Conpro != null)            {                NetworkConnectivityLevel network = Conpro.GetNetworkConnectivityLevel();                connected = network == NetworkConnectivityLevel.InternetAccess;            }            return connected;        }/* 何问起 hovertree.com */

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