C#獲取本機信息

/// <summary>
        /// 得到本機IP
        /// </summary>
        /// <returns></returns>
        public string GetIP()
        {
            string IP = null;

            string hostName = Dns.GetHostName();
            IPHostEntry ipEntry = Dns.GetHostEntry(hostName);
            foreach (IPAddress ip in ipEntry.AddressList)
            {
                if (ip.AddressFamily == AddressFamily.InterNetwork)
                {
                    IP = ip.ToString();
                }
            }

            return IP;
        }

        /// <summary>
        /// 得到本機Mac
        /// </summary>
        /// <returns></returns>
        public string GetMac()
        {
            string mac = null;

            var interfaces = NetworkInterface.GetAllNetworkInterfaces();
            if (interfaces.Length > 0)
            {
                mac = interfaces[0].GetPhysicalAddress().ToString();
                if (mac.Length > 21)
                {
                    mac = mac.Substring(0, 21);
                }
            }

            return mac;
        }

        /// <summary>
        /// 獲取系統版本
        /// </summary>
        /// <returns></returns>
        public string GetOSVersion()
        {
            OperatingSystem osInfo = Environment.OSVersion;
            string version = osInfo.Version.ToString();

            return version;
        }

        /// <summary>
        /// 得到系統分辨率
        /// </summary>
        /// <returns></returns>
        public string GetResolution()
        {
            int SW = Screen.PrimaryScreen.Bounds.Width;
            int SH = Screen.PrimaryScreen.Bounds.Height;
            string resolution = SW.ToString() + "*" SH.ToString();

            return resolution;
        }