/// <summary>
        /// 获取当前网卡IP地址
        /// </summary>
        /// <returns></returns>
        public static string GetNetCardIP()
        {
            try
            {
                string stringIP = "";
                ManagementClass MC = new ManagementClass("Win32_NetworkAdapterConfiguration");
                ManagementObjectCollection MOC = MC.GetInstances();
                foreach (ManagementObject MO in MOC)
                {
                    if ((bool)MO["IPEnabled"] == true)
                    {
                        string[] IPAddresses = (string[])MO["IPAddress"];
                        if (IPAddresses.Length > 0)
                        {
                            stringIP = IPAddresses[0].ToString();
                        }
                    }
                }
                return stringIP;
            }
            catch
            {
                return "";
            }
        }