[TestClass]

    public class EofByteSerialTest

    {

        private int _count = ;

        private byte[] _receivedDataPacket;

        SerialPort _serialPort = new SerialPort()

        {

            PortName = "COM5",

            BaudRate = ,

            DataBits = ,

            StopBits = StopBits.One,

            Parity = Parity.None

        };

        [TestMethod]

        public void TestMethod1()

        {

            _serialPort.Open();

            byte[] sendedData = { 0x01, 0x02, 0x03, 0x1a, 0x2a, 0x1a };

            _serialPort.DataReceived += ComReceive;

            _serialPort.Write(sendedData, , sendedData.Length);

            Thread.Sleep();

            //foreach (byte b in _receivedDataPacket)

            //{

            //    Console.WriteLine(b);

            //}

            Console.WriteLine(_count);

        }

        private void ComReceive(object sender, SerialDataReceivedEventArgs e)

        {

            //if (e.EventType == SerialData.Eof)

            //{

            //    //特殊处理

            //}

            _count++;

            _receivedDataPacket = new byte[_serialPort.BytesToRead];

            _serialPort.Read(_receivedDataPacket, , _receivedDataPacket.Length);

            // 协议解析...

        }

    }