C# 串口接收数据中serialPort.close()死锁的实例

SerialPort serialPort1 = new SerialPort(“COM5”, 115200, Parity.None, 8, StopBits.One); //初始化串口设置//定义委托public delegate void Displaydelegate(byte[] InputBuf);Byte[] OutputBuf = new Byte[8];public Displaydelegate disp_delegate;//接收数据委托disp_delegate = new Displaydelegate(DispUI);serialPort1.DataReceived += new SerialDataReceivedEventHandler(Comm_DataReceived);//串口读取数据处理函数public void Comm_DataReceived(object sender, SerialDataReceivedEventArgs e){Byte[] InputBuf = new Byte[8];try{serialPort1.Read(InputBuf, 0,6); //读取缓冲区的数据,每次读取6个字节的数据System.Threading.Thread.Sleep(100);this.BeginInvoke(disp_delegate, InputBuf);//disp_delegate是定义的委托事件，在委托事件中调用修改UI的程序}catch (TimeoutException ex) //超时处理{MessageBox.Show(ex.ToString());}}//更新UI界面public void DispUI(byte[] InputBuf){string str = System.Text.Encoding.Default.GetString(InputBuf);// Console.WriteLine(str);string strW = str.Substring(0, 2);//截取str的子串，从index=0开始截取长度为2的字符串int OutStrW = int.Parse(strW);string strS = str.Substring(2, 2);//截取str的子串，从index=2开始截取长度为2的字符串int OutStrS = int.Parse(strS);OutstrWen = (OutStrW - 4).ToString();textBox8.Text = strW;textBox9.Text = (OutStrW - 4).ToString();textBox10.Text = strS;textBox11.Text = (OutStrS - 10).ToString();}