/// 
        /// Retrieves the connected state of the local system        /// 
        /// Pointer to a variable that receives the connection description. This parameter may return a valid flag even when the function returns FALSE. This parameter can be one or more of the following values.        /// This parameter is reserved and must be 0.        /// 
     
      Returns TRUE if there is an active modem or a LAN Internet connection, or FALSE if there is no Internet connection, or if all possible Internet connections are not currently active. For more information, see the Remarks section.         /// When InternetGetConnectedState returns FALSE, the application can call GetLastError to retrieve the error code
             [DllImport("wininet.dll", EntryPoint = "InternetGetConnectedState")]        public extern static bool InternetGetConnectedState(out StateFlags lpdwFlags, int dwReserved);    public enum StateFlags : int    {        /// 
        /// Local system uses a modem to connect to the Internet.        /// 
        INTERNET_CONNECTION_MODEM = 0x01,        /// 
        /// Local system uses a local area network to connect to the Internet.        /// 
        INTERNET_CONNECTION_LAN = 0x02,        /// 
        /// Local system uses a proxy server to connect to the Internet.        /// 
        INTERNET_CONNECTION_PROXY = 0x04,        /// 
        /// No longer used.        /// 
        INTERNET_CONNECTION_MODEM_BUSY = 0x08,        /// 
        /// Local system has RAS installed.        /// 
        INTERNET_RAS_INSTALLED = 0x10,        /// 
        /// Local system is in offline mode.        /// 
        INTERNET_CONNECTION_OFFLINE = 0x20,        /// 
        /// Local system has a valid connection to the Internet, but it might or might not be currently connected.        /// 
        INTERNET_CONNECTION_CONFIGURED = 0x40    }