本人菜鸟跪求解答真心希望大侠能帮帮，c#串口通信程序连接两台计算机。程序是网上下载的，运行没问题，可是好像用不了，不知道问题出在哪里，真心希望各位大侠可以帮帮我
真心希望各位大侠能帮帮我，谢谢了
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;
namespace SerialComMaster
{
public partial class Form1 : Form
{
SerialPort sp = null;
bool isOpen = false;
bool isSetProperty = false;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
this.MaximumSize = this.Size;
this.MinimumSize = this.Size;
this.MaximizeBox = false;
for (int i = 0; i < 256; i++)
{
comboBox1.Items.Add("COM" + (i + 1).ToString());
}
comboBox1.SelectedIndex = 0;
//列出常用的波特率
comboBox2.Items.Add("300");
comboBox2.Items.Add("600");
comboBox2.Items.Add("1200");
comboBox2.Items.Add("2400");
comboBox2.Items.Add("4800");
comboBox2.Items.Add("9600");
comboBox2.Items.Add("19200");
comboBox2.Items.Add("38400");
comboBox2.Items.Add("43000");
comboBox2.Items.Add("56000");
comboBox2.Items.Add("57600");
comboBox2.Items.Add("115200");
comboBox2.SelectedIndex = 5;
//列出停止位
comboBox3.Items.Add("0");
comboBox3.Items.Add("1");
comboBox3.Items.Add("1.5");
comboBox3.Items.Add("2");
comboBox3.SelectedIndex = 1;
//列出数据位
comboBox5.Items.Add("8");
comboBox5.Items.Add("7");
comboBox5.Items.Add("6");
comboBox5.Items.Add("5");
comboBox5.SelectedIndex = 0;
//列出奇偶校验位
comboBox4.Items.Add("无");
comboBox4.Items.Add("奇校验");
comboBox4.Items.Add("偶校验");
comboBox4.SelectedIndex = 0;
}
private void button1_Click(object sender, EventArgs e)
{//检测哪些串口可用
comboBox1.Items.Clear();
for (int i = 0; i < 256; i++)
{
try
{
SerialPort sp = new SerialPort("COM" + (i + 1).ToString());
sp.Open();
sp.Close();
comboBox1.Items.Add("COM" + (i + 1).ToString());
}
catch (Exception)
{
continue;
}
}
}
private bool CheckPortSetting()
{//检查串口是否设置
if (comboBox1.Text.Trim() == "") return false;
if (comboBox2.Text.Trim() == "") return false;
if (comboBox3.Text.Trim() == "") return false;
if (comboBox4.Text.Trim() == "") return false;
if (comboBox5.Text.Trim() == "") return false;
return true;
}
private bool CheckSendData()
{
if (textBox1.Text.Trim ()== "") return false;
return false;
}
private void SetPortProperty()
{//设置串口的属性
sp = new SerialPort();
sp.PortName = comboBox1.Text.Trim();//设置串口名
//设置串口的波特率
sp.BaudRate = Convert.ToInt32(comboBox2.Text.Trim());
//设置停止位
float f = Convert.ToSingle(comboBox3.Text.Trim());
if (f == 0)
{
sp.StopBits = StopBits.None;
}
else if (f == 1)
{
sp.StopBits = StopBits.One;
}
else if (f == 2)
{
sp.StopBits = StopBits.Two;
}
else
{
sp.StopBits = StopBits.One;
}
//设置数据位
sp.DataBits = Convert.ToInt16(comboBox5.Text.Trim());
//设置奇偶校验位
string s = comboBox4.Text.Trim();
if (s.CompareTo("无") == 0)
{
sp.Parity = Parity.None;
}
else if (s.CompareTo("奇校验") == 0)
{
sp.Parity = Parity.Odd;
}
else if (s.CompareTo("偶校验") == 0)
{
sp.Parity = Parity.Even;
}
else
{
sp.Parity = Parity.None;
}
//设置超时读取时间
sp.ReadTimeout = -1;
//打开串口
try
{
sp.Open();
isOpen = true;
}
catch (Exception)
{
label6.Text = "打开串口时发生错误！";
}
}
private void button2_Click(object sender, EventArgs e)
{//发送串口数据
if (!CheckPortSetting())
{
MessageBox.Show("串口未设置！","错误提示");
return;
}
if (!CheckSendData())
{
MessageBox.Show("请输入要发送的数据","错误提示");
return;
}
if (!isSetProperty)
{
SetPortProperty();
isSetProperty = true;
}
if (isOpen)
{//写串口数据
try
{
sp.WriteLine(comboBox1.Text);
}
catch (Exception)
{
label6.Text = "发送数据时发生错误";
return;
}
}
else
{
MessageBox.Show("串口未打开！", "错误提示");
return;
}
comboBox1.Text = "";
}
private void button3_Click(object sender, EventArgs e)
{
sp.Close();
this.Close();
}
private void button4_Click(object sender, EventArgs e)
{
if (isOpen)
{
try
{//读取串口数据
comboBox2.Text += sp.ReadLine();
}
catch (Exception)
{
label6.Text = "读取串口时发生错误！";
return;
}
}
else
{
MessageBox.Show("串口未打开！", "错误提示");
return;
}
}
}
}
[解决办法]
SerialPort serialPort = new SerialPort(); /// <summary> /// 打开串口 /// </summary> /// <param name="portName">串口号</param> /// <param name="baudRate">波特率</param> /// <param name="parity">奇偶校验</param> /// <param name="stopBits">停止位</param> /// <returns></returns> private bool StartSerialPort(string portName,int baudRate,Parity parity,StopBits stopBits) { try { serialPort.PortName = portName; serialPort.BaudRate = baudRate; serialPort.Parity = parity; serialPort.StopBits = stopBits; serialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived); serialPort.Open(); return true; } catch (Exception ex) { } return false; } /// <summary> /// 关闭串口 /// </summary> private void StopSerialPort() { if (serialPort != null) { serialPort.Close(); } } //接收数据事件 private void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e) { //接收数据的内容在这里 serialPort.ReadByte(); //读取数据，自己处理 } /// <summary> /// 写数据的方法 /// </summary> /// <param name="byteDate"></param> private void WriteDate(byte[] byteDate) { serialPort.Write(byteDate,0,byteDate.Length); }
[解决办法]
帮顶，也得自己赚10分