Winform 串口相关

查找当前电脑上有哪些串口

using System.IO;
using System.IO.Ports;

  private void button1_Click(object sender, EventArgs e)
        {
            //用以下方法知道此
            //方法一：comboBox1.Items.AddRange(System.IO.Ports.SerialPort.GetPortNames());  

            //方法二： 
            string[] portList = System.IO.Ports.SerialPort.GetPortNames();
            for (int i = 0; i < portList.Length; ++i)
            {
                string name = portList[i];
                comboBox1.Items.Add(name);
            }

        }