USB设备连接
问题描述:
我试图做一个功能,检测是否USB设备连接给定的设备PID和VID。我希望它看起来像这样,我只是不知道如何在C#中做到这一点。USB设备连接
public bool IsUsbDeviceConnected(string pid, string vid)
{
//Code here
}
答
//using System.Management
public bool IsUsbDeviceConnected(string pid, string vid)
{
using (var searcher =
new ManagementObjectSearcher(@"Select * From Win32_USBControllerDevice"))
{
using (var collection = searcher.Get())
{
foreach (var device in collection)
{
var usbDevice = Convert.ToString(device);
if (usbDevice.Contains(pid) && usbDevice.Contains(vid))
return true;
}
}
}
return false;
}
+0
你能帮我解决[this](http://*.com/q/7314257/75500)相关的问题吗? – Shimmy 2011-10-04 12:43:36
答
可能类似于
//import the System.Management namespace at the top in your "using" statement. Then in a method, or on a button click:
ManagementObjectCollection collection;
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive WHERE InterfaceType='USB'"))
collection = searcher.Get();
foreach (ManagementObject currentObject in collection)
{
ManagementObject theSerialNumberObjectQuery = new ManagementObject("Win32_PhysicalMedia.Tag='" + currentObject["DeviceID"] + "'");
MessageBox.Show(theSerialNumberObjectQuery["SerialNumber"].ToString());
}
collection.Dispose();
使用WMI
+0
我没有序列号,只有在usb中嵌套的供应商ID和产品ID。此外,该WMI调用查找Win32_DiskDrives,而不是所有的USB设备。 – Robert 2010-09-10 17:03:41
请编辑您的问题;增加以下几点可能会给你更好的答案:1.你到目前为止尝试过什么? 2.你得到了什么结果? 3.这与你所期望的结果有何不同? – Piskvor 2010-09-10 15:07:24