c#写的串口通讯

窗口数据发送和接受的类 新建 PortControl

程序代码
using System;
using System.IO.Ports;
using System.Windows.Forms;

namespace SPC
{
    /// <summary>
    /// 串口控制  
    /// </summary>
    public class PortControl

    {
        /// <summary>
        /// 定义一个串口类
        /// </summary>
        private   SerialPort  MyPort;

        /// <summary>
        /// 初始化类
        /// </summary>
        public PortControl()
        {
            MyPort = new SerialPort();
            setup();
        }
        /// <summary>
        /// 直接使用给某个串口
        /// </summary>
        /// <param name="port">COM1,COM2。。。。。。</param>
        public  PortControl(string port)
        {
            _portname = port;
            MyPort = new SerialPort(_portname);

            setup();
        }
        private void setup()
        {
            
            MyPort.DataReceived += new SerialDataReceivedEventHandler(DataReceived);

        }

        
        public bool  Open()
        {
            try
            {
                if (MyPort.IsOpen != true) { MyPort.Open(); };
                return true ;
            }
            catch
            {
                return false;
            }
        }
        public void Open(string port)
        {
            MyPort.PortName = _portname;
            MyPort.Open();
        }

        public void Close()
        {
            MyPort.Close();
        }
        
        private string  _portname;


        /// <summary>
        /// 端口名称
        /// </summary>
        /// <example>COM1 COM2</example>
        public string  PortName
        {
            get { return _portname; }
            set { _portname = value; }
        }
        public Exception LastException;