csharp 串口热插拔监听并通过Win32_SerialPort获取串口名称

感谢你的问题。我可以为你提供以下建议：使用SerialPort类可以检测串口的热插拔事件，并且可以获取串口的名称、波特率等信息。您可以在代码中使用WMI的Win32_SerialPort类来获取串口的详细信息。您可以参考以下代码实现热插拔监听并获取串口名称：
using System;
using System.Management;
using System.IO.Ports;

class Program
{
static void Main(string[] args)
{
// 创建串口对象
SerialPort port = new SerialPort();

// 设置串口参数
port.BaudRate = 9600;
port.DataBits = 8;
port.StopBits = StopBits.One;
port.Parity = Parity.None;

// 注册串口热插拔事件
ManagementEventWatcher watcher = new ManagementEventWatcher();
watcher.Query = new WqlEventQuery("SELECT * FROM Win32_DeviceChangeEvent WHERE EventType = 2 or EventType = 3");
watcher.EventArrived += (s, e) =>
{
// 检查是否为串口设备变化事件
var device = e.NewEvent.Properties["TargetInstance"].Value as ManagementBaseObject;
if (!string.Equals(device.GetPropertyValue("InterfaceName").ToString(), "COM"))
{
return;
}
// 根据串口属性获取串口名称
port.PortName = device.GetPropertyValue("Name").ToString().Replace("\\\\", "");
Console.WriteLine("Serial port named {0} has been {1}", port.PortName, e.NewEvent.Properties["EventType"].Value.ToString() == "2" ? "Inserted" : "Removed");
};
watcher.Start();

Console.ReadKey();
}
}
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