C#如何求得本機的IP地址

/// <summary>
        /// 获取本机的IP地址
        /// </summary>
        /// <returns></returns>
        ///
        public static string GetLocal1IP()
        {
            String[] addresses = GetLocalIP();
            if (addresses != null && addresses.Length > 0)
            {
                return addresses[0];
            }

            return null;
        }

        /// <summary>
        /// 获取本机的IP地址
        /// </summary>
        /// <returns></returns>
        public static string[] GetLocalIP()
        {
            ManagementClass mAdapter = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection mo = mAdapter.GetInstances();
            foreach (ManagementBaseObject m in mo)
            {
                if ((bool)m["IpEnabled"] == true)
                {
                    return (string[])m["IPAddress"];
                }
            }
            mo.Dispose();

            return null;
        }