NetworkInterface網速監測

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   private NetworkInterface[] nicArr;  //網卡集合        private Timer timer;    //計時器        public MainWindow()        {            InitializeComponent();            InitNetworkInterface();            InitializeTimer();        }        /// <summary>        /// 初始化網卡        /// </summary>        private void InitNetworkInterface()        {            nicArr = NetworkInterface.GetAllNetworkInterfaces();            for (int i = 0; i < nicArr.Length; i++)                cboNetworkInterface.Items.Add(nicArr[i].Name);            cboNetworkInterface.SelectedIndex = 0;        }        /// <summary>        /// 初始化計時器        /// </summary>        private void InitializeTimer()        {            timer = new Timer();            timer.Interval = 1000;            timer.Elapsed += timer_Elapsed;            timer.Start();        }        void timer_Elapsed(object sender, ElapsedEventArgs e)        {            this.Dispatcher.Invoke(() =>            {                UpdateNetworkInterface();            });        }        /// <summary>        /// 擷取網路資料並更新到UI        /// </summary>        private void UpdateNetworkInterface()        {            NetworkInterface nic = nicArr[cboNetworkInterface.SelectedIndex];            IPv4InterfaceStatistics interfaceStats = nic.GetIPv4Statistics();            int bytesSentSpeed = (int)(interfaceStats.BytesSent - double.Parse(txtbBytesSent.Text)) / 1024;            int bytesReceivedSpeed = (int)(interfaceStats.BytesReceived - double.Parse(txtbBytesReceived.Text)) / 1024;            //更新控制項              txtbSpeed.Text = nic.Speed.ToString()  +"  "+nic.GetPhysicalAddress().ToString().Trim()+"  "+nic.NetworkInterfaceType.ToString().Trim();            //  txtbInterfaceType.Text = nic.NetworkInterfaceType.ToString();            //txtbSpeed.Text = nic.Speed.ToString();            txtbBytesReceived.Text = interfaceStats.BytesReceived.ToString();            txtbBytesSent.Text = interfaceStats.BytesSent.ToString();            txtbSentSecond.Text = bytesSentSpeed.ToString() + " KB/s";            txtbReceivedSecond.Text = bytesReceivedSpeed.ToString() + " KB/s";        }

　　

NetworkInterface網速監測