的SerialPort读不使用C#工作 [英] SerialPort Read Doesn't Work in C#
本文介绍了的SerialPort读不使用C#工作的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我是开发C#窗口app.it的读取重量称重桥架机串行port.but,我的code不干活。我试图从互联网上的许多例子下载不work.my code是如下:
i am develop C# windows app.it's read weight from weigh bridge machine to serial port.but,my code doesn't work.i am trying many examples download from internet doesn't work.my code is below:
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;
using System.IO;
namespace SerialPortTest
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
String a = "";
private void button1_Click(object sender, EventArgs e)
{
serialPort1 = new SerialPort("COM1", 9600, Parity.None, 8, StopBits.One);
if (serialPort1.IsOpen == false)
{
serialPort1.Open();
}
timer1.Start();
button1.Enabled = false;
button2.Enabled = true;
}
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
a = a + serialPort1.ReadExisting();
}
private void timer1_Tick(object sender, EventArgs e)
{
if (a.Length != 0)
{
textBox1.AppendText(a);
a = "";
}
}
private void button2_Click(object sender, EventArgs e)
{
if (serialPort1.IsOpen == true)
{
serialPort1.Close();
button2.Enabled = false;
button1.Enabled = true;
}
}
private void Form1_Load(object sender, EventArgs e)
{
if (serialPort1.IsOpen == true)
{
button1.Enabled = false;
button2.Enabled = true;
}
else
{
button1.Enabled = true;
button2.Enabled = false;
}
}
}
}
什么,我错了我的code任何一个可以帮助我的任何工作code。 提前致谢。
What i am wrong in my code can any one help me any working code. Thanks in Advance.
推荐答案
您没有注册serialPort1_DataReceived为serialPort1。
You didn't register the serialPort1_DataReceived for serialPort1.
serialPort1.DataReceived += new SerialDataReceivedEventHandler(serialPort1_DataReceived);
这篇关于的SerialPort读不使用C#工作的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文