C#串口通信编程实例【推荐】wps.doc

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.IO.Ports;namespace 串?口发?送接收?演Y示? public partial class Form1 : Form public Form1() InitializeComponent(); public SerialPort port1 = new SerialPort(COM2,9600,Parity.None,8,StopBits.One); public SerialPort port2 = new SerialPort(COM3,9600,Parity.None,8,StopBits.One); private void Form1_Load(object sender, EventArgs e) private void button1_Click(object sender, EventArgs e) port1.Open(); port1.DiscardInBuffer(); port1.DiscardOutBuffer(); MessageBox.Show(打洙?开aCOM2口成功|！?, 系统?提?示?); private void button3_Click(object sender, EventArgs e) port2.Open(); port2.DiscardInBuffer(); port2.DiscardOutBuffer(); MessageBox.Show(打洙?开aCOM3成功|！?, 系统?提?示?); private void button5_Click(object sender, EventArgs e) byte data = Encoding.Unicode.GetBytes(textBox1.Text); string str = Convert.ToBase64String(data); port1.WriteLine(str); MessageBox.Show(数簓据Y发?送成功|！?, 系统?提?示?); System.Threading.Thread.Sleep(1000); byte data1 = Convert.FromBase64String(port2.ReadLine(); textBox2.Text = Encoding.Unicode.GetString(data1); MessageBox.Show(数簓据Y接收?成功|, 系统?提?示?); private void btnclose_Click(object sender