【问题标题】:WMI: Get USB device description on insertionWMI:在插入时获取 USB 设备描述
【发布时间】:2011-10-02 07:50:36
【问题描述】:

如何在插入 USB 设备时获取设备 ID 和其他描述? 我找到了一个如何获得有关 USB 设备插入/移除通知的示例。但是如何获取设备描述信息呢?

这是我的代码 sn-p:

WqlEventQuery q;
ManagementScope scope = new ManagementScope("root\\CIMV2");
scope.Options.EnablePrivileges = true;

try
{
    q = new WqlEventQuery();
    q.EventClassName = "__InstanceDeletionEvent";
    q.WithinInterval = new TimeSpan(0, 0, 3);
    q.Condition = @"TargetInstance ISA 'Win32_USBControllerdevice'";
    w = new ManagementEventWatcher(scope, q);
    w.EventArrived += new EventArrivedEventHandler(USBRemoved);
    w.Start();
}
... catch()....

更新:实际上,它是一个带有 USB 连接的串行 COM 设备。所以没有 driveName 属性。如何获取 USB 描述,可以在设备管理器中看到? WMI 是否在有关 USB 插入的通知中提供此信息?

【问题讨论】:

    标签: c# .net wmi insertion usb


    【解决方案1】:

    完成新答案根据您更新的答案。您可以检查任何连接的 USB 设备

            ManagementScope sc =
                new ManagementScope(@"\\YOURCOMPUTERNAME\root\cimv2");
    
            ObjectQuery query =
                new ObjectQuery("Select * from Win32_USBHub");
    
            ManagementObjectSearcher searcher = new ManagementObjectSearcher(sc, query);
            ManagementObjectCollection result = searcher.Get();
    
            foreach (ManagementObject obj in result)
            {
                if (obj["Description"] != null) Console.WriteLine("Description:\t" + obj["Description"].ToString());
                if (obj["DeviceID"] != null) Console.WriteLine("DeviceID:\t" + obj["DeviceID"].ToString());
                if (obj["PNPDeviceID"] != null) Console.WriteLine("PNPDeviceID:\t" + obj["PNPDeviceID"].ToString());
            }
    

    (请参阅MSDN WMI tasks examples

    或查看任何COM ConnectedDevice

            ManagementScope sc =
                new ManagementScope(@"\\YOURCOMPUTERNAME\root\cimv2");
            ObjectQuery query =
                new ObjectQuery("Select * from Win32_SerialPort");
    
            searcher = new ManagementObjectSearcher(sc, query);
            result = searcher.Get();
    
            foreach (ManagementObject obj in result)
            {
                if (obj["Caption"] != null) Console.WriteLine("Caption:\t" + obj["Description"].ToString());
                if (obj["Description"] != null) Console.WriteLine("Description:\t" + obj["DeviceID"].ToString());
                if (obj["DeviceID"] != null) Console.WriteLine("DeviceID:\t" + obj["PNPDeviceID"].ToString());
            }
    

    (有关更多详细信息,请参阅ActiveX Experts

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