[英]WMI: Get USB device description on insertion
如何获取有关插入 USB 设备的设备 ID 和其他描述? 我找到了一个示例,如何获得有关 USB 设备插入/移除的通知。 但是如何获取设备描述信息呢?
这是我的代码片段:
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,它是带有 USB 连接的串行 COM 设备。 所以没有 driveName 属性。 如何获得 USB 描述,我可以在设备管理器中看到? WMI 是否将此信息与有关 USB 插入的通知一起提供?
根据您更新的答案完成新的答案。 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 任务示例)
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());
}
(有关这方面的更多详细信息,请参阅ActiveX 专家)
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