如何找到可用的 COM 端口?

How to find available COM ports?(如何找到可用的 COM 端口?)

问题描述

如何在我的 PC 中找到可用的 COM 端口?我正在使用框架 v1.1.是否可以找到所有 COM 端口?如果可能，请帮我解决问题.

How to find available COM ports in my PC? I am using framework v1.1. Is it possible to find all COM ports? If possible, help me solve the problem.

推荐答案

正如其他人建议的那样，您可以使用 WMI.您可以找到示例 在 CodeProject 中

As others suggested, you can use WMI. You can find a sample in CodeProject

try
{
    ManagementObjectSearcher searcher =
        new ManagementObjectSearcher("root\WMI",
        "SELECT * FROM MSSerial_PortName");

    foreach (ManagementObject queryObj in searcher.Get())
    {
        Console.WriteLine("-----------------------------------");
        Console.WriteLine("MSSerial_PortName instance");
        Console.WriteLine("-----------------------------------");
        Console.WriteLine("InstanceName: {0}", queryObj["InstanceName"]);

        Console.WriteLine("-----------------------------------");
        Console.WriteLine("MSSerial_PortName instance");
        Console.WriteLine("-----------------------------------");
        Console.WriteLine("PortName: {0}", queryObj["PortName"]);

        //If the serial port's instance name contains USB 
        //it must be a USB to serial device
        if (queryObj["InstanceName"].ToString().Contains("USB"))
        {
            Console.WriteLine(queryObj["PortName"] + " 
            is a USB to SERIAL adapter/converter");
        }
    }
}
catch (ManagementException e)
{
    Console.WriteLine("An error occurred while querying for WMI data: " + e.Message);
} 

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