c#串口通讯

ID:401988 · 发表于 2018-9-25 08:46

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 ComDemo
{
public partial class ComSet : Form
{
      public ComSet()
      {
         InitializeComponent();
      }
      private void ComSet_Load(object sender, EventArgs e)
      {
         //串口
         string[] ports = SerialPort.GetPortNames();
         foreach (string port in ports)
         {
            cmbPort.Items.Add(port);
         }
         cmbPort.SelectedIndex = 0;
         //波特率
         cmbBaudRate.Items.Add("110");
         cmbBaudRate.Items.Add("300");
         cmbBaudRate.Items.Add("1200");
         cmbBaudRate.Items.Add("2400");
         cmbBaudRate.Items.Add("4800");
         cmbBaudRate.Items.Add("9600");
         cmbBaudRate.Items.Add("19200");
         cmbBaudRate.Items.Add("38400");
         cmbBaudRate.Items.Add("57600");
         cmbBaudRate.Items.Add("115200");
         cmbBaudRate.Items.Add("230400");
         cmbBaudRate.Items.Add("460800");
         cmbBaudRate.Items.Add("921600");
         cmbBaudRate.SelectedIndex = 5;
         //数据位
         cmbDataBits.Items.Add("5");
         cmbDataBits.Items.Add("6");
         cmbDataBits.Items.Add("7");
         cmbDataBits.Items.Add("8");
         cmbDataBits.SelectedIndex = 3;
         //停止位
         cmbStopBit.Items.Add("1");
         cmbStopBit.SelectedIndex = 0;
         //佼验位
         cmbParity.Items.Add("无");
         cmbParity.SelectedIndex = 0;
      }
      private void bntOK_Click(object sender, EventArgs e)
      {
         //以下4个参数都是从窗体MainForm传入的
         MainForm.strProtName = cmbPort.Text;
         MainForm.strBaudRate = cmbBaudRate.Text;
         MainForm.strDataBits = cmbDataBits.Text;
         MainForm.strStopBits = cmbStopBit.Text;
         DialogResult = DialogResult.OK;
      }
      private void bntCancel_Click(object sender, EventArgs e)
      {
         DialogResult = DialogResult.Cancel;
      }
}
}

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