如何从 C# 中的 USB 闪存驱动器获取 VID/PID
本文关键字：获取 驱动器 VID PID 闪存 USB 中的 | 更新日期: 2023-09-27 18:30:17
我需要对所有驱动器执行检查，并查看是否有任何VID/PID与特定驱动器匹配，如果是，我需要获取该闪存驱动器的驱动器号。谢谢大家！
WMI应该能够处理这个问题...
您必须添加对 System.Management dll 的引用，并且需要具有："使用系统管理;"行...请参阅底部的链接以获取屏幕截图，更全面的解释...
using System.Management;
// Get all the disk drives
ManagementObjectSearcher mosDisks = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive");
// Loop through each object (disk) retrieved by WMI
foreach (ManagementObject moDisk in mosDisks.Get())
{
// Add the HDD to the list (use the Model field as the item's caption)
cmbHdd.Items.Add(moDisk["Model"].ToString());
}
private void cmbHdd_SelectedIndexChanged(object sender, EventArgs e)
{
// Get all the disk drives from WMI that match the Model name selected in the ComboBox
ManagementObjectSearcher mosDisks = new ManagementObjectSearcher("SELECT * FROM Win32_DiskDrive WHERE Model = '" + cmbHdd.SelectedItem + "'");
// Loop through the drives retrieved, although it should normally be only one loop going on here
foreach (ManagementObject moDisk in mosDisks.Get())
{
// Set all the fields to the appropriate values
lblType.Text = "Type: " + moDisk["MediaType"].ToString();
lblModel.Text = "Model: " + moDisk["Model"].ToString();
lblSerial.Text = "Serial: " + moDisk["SerialNumber"].ToString();
lblInterface.Text = "Interface: " + moDisk["InterfaceType"].ToString();
// The capacity in gigabytes is easily calculated
lblCapacity.Text = "Capacity: " + moDisk["Size"].ToString() + " bytes (" + Math.Round(((((double)Convert.ToDouble(moDisk["Size"]) / 1024) / 1024) / 1024), 2) + " GB)";
lblPartitions.Text = "Partitions: " + moDisk["Partitions"].ToString();
lblSignature.Text = "Signature: " + moDisk["Signature"].ToString();
lblFirmware.Text = "Firmware: " + moDisk["FirmwareRevision"].ToString();
lblCylinders.Text = "Cylinders: " + moDisk["TotalCylinders"].ToString();
lblSectors.Text = "Sectors: " + moDisk["TotalSectors"].ToString();
lblHeads.Text = "Heads: " + moDisk["TotalHeads"].ToString();
lblTracks.Text = "Tracks: " + moDisk["TotalTracks"].ToString();
lblBytesPerSect.Text = "Bytes per Sector: " + moDisk["BytesPerSector"].ToString();
lblSectorsPerTrack.Text = "Sectors per Track: " + moDisk["SectorsPerTrack"].ToString();
lblTracksPerCyl.Text = "Tracks per Cylinder: " + moDisk["TracksPerCylinder"].ToString();
}
}
在 MSDN 中，用于CIM_DiskDrive的 win32 类具有以下参数：
*看起来好像"设备ID"是你想要的...
class Win32_DiskDrive : CIM_DiskDrive
{
uint16 Availability;
uint32 BytesPerSector;
uint16 Capabilities[];
string CapabilityDescriptions[];
string Caption;
string CompressionMethod;
uint32 ConfigManagerErrorCode;
boolean ConfigManagerUserConfig;
string CreationClassName;
uint64 DefaultBlockSize;
string Description;
string DeviceID;
boolean ErrorCleared;
string ErrorDescription;
string ErrorMethodology;
string FirmwareRevision;
uint32 Index;
datetime InstallDate;
string InterfaceType;
uint32 LastErrorCode;
string Manufacturer;
uint64 MaxBlockSize;
uint64 MaxMediaSize;
boolean MediaLoaded;
string MediaType;
uint64 MinBlockSize;
string Model;
string Name;
boolean NeedsCleaning;
uint32 NumberOfMediaSupported;
uint32 Partitions;
string PNPDeviceID;
uint16 PowerManagementCapabilities[];
boolean PowerManagementSupported;
uint32 SCSIBus;
uint16 SCSILogicalUnit;
uint16 SCSIPort;
uint16 SCSITargetId;
uint32 SectorsPerTrack;
string SerialNumber;
uint32 Signature;
uint64 Size;
string Status;
uint16 StatusInfo;
string SystemCreationClassName;
string SystemName;
uint64 TotalCylinders;
uint32 TotalHeads;
uint64 TotalSectors;
uint64 TotalTracks;
uint32 TracksPerCylinder;
};
顶部 oF 代码取自：
http://www.geekpedia.com/tutorial233_Getting-Disk-Drive-Information-using-WMI-and-Csharp.html
public static bool GetDriveVidPid(string szDriveName, ref ushort wVID, ref ushort wPID)
{
bool bResult = false;
string szSerialNumberDevice = null;
ManagementObject oLogicalDisk = new ManagementObject("Win32_LogicalDisk.DeviceID='" + szDriveName.TrimEnd('''') + "'");
foreach(ManagementObject oDiskPartition in oLogicalDisk.GetRelated("Win32_DiskPartition"))
{
foreach(ManagementObject oDiskDrive in oDiskPartition.GetRelated("Win32_DiskDrive"))
{
string szPNPDeviceID = oDiskDrive["PNPDeviceID"].ToString();
if(!szPNPDeviceID.StartsWith("USBSTOR"))
throw new Exception(szDriveName + " ist kein USB-Laufwerk.");
string[] aszToken = szPNPDeviceID.Split(new char[] { '''', '&' });
szSerialNumberDevice = aszToken[aszToken.Length - 2];
}
}
if(null != szSerialNumberDevice)
{
ManagementObjectSearcher oSearcher = new ManagementObjectSearcher(@"root'CIMV2", "Select * from Win32_USBHub");
foreach(ManagementObject oResult in oSearcher.Get())
{
object oValue = oResult["DeviceID"];
if(oValue == null)
continue;
string szDeviceID = oValue.ToString();
string[] aszToken = szDeviceID.Split(new char[] { '''' });
if(szSerialNumberDevice != aszToken[aszToken.Length - 1])
continue;
int nTemp = szDeviceID.IndexOf(@"VID_");
if(0 > nTemp)
continue;
nTemp += 4;
wVID = ushort.Parse(szDeviceID.Substring(nTemp, 4), System.Globalization.NumberStyles.AllowHexSpecifier);
nTemp += 4;
nTemp = szDeviceID.IndexOf(@"PID_", nTemp);
if(0 > nTemp)
continue;
nTemp += 4;
wPID = ushort.Parse(szDeviceID.Substring(nTemp, 4), System.Globalization.NumberStyles.AllowHexSpecifier);
bResult = true;
break;
}
}
return bResult;
}
如果您只需要检查设备何时连接，则问题要简单得多。您需要检查DBT_DEVICEARRIVAL事件。如果要创建 Windows 窗体应用程序，则可以通过实现IMessageFilter接口并将其传递给 Application 中的 AddMessageFiler 函数来完成此操作。如果不使用窗体应用，则需要从NativeWindow派生类并重写 WndProc。Remeber 调用 CreateHandle，以便将其添加到 Windows 消息队列中。
一旦你有办法接收DBT_DEVICEARRIVAL你就需要解析出来。（以下内容不是在 IDE 中编写的，因此尚未经过测试）
// Constants from from Dbt.h
const int WM_DEVICECHANGE = 0x219;
const int DBT_DEVICEARRIVAL = 0x8000;
const uint DBT_DEVTYP_DEVICEINTERFACE = 0x05;
const Guid GUID_DEVINTERFACE_USB_DEVICE = new Guid("A5DCBF10-6530-11D2-901F-00C04FB951ED");
bool PreFilterMessage(ref Message m)
{
if(m.Msg == case WM_DEVICECHANGE && m.WParam == DBT_DEVICEARRIVAL)
var broadcast = (DEV_BROADCAST_HDR)Marshal.PtrToStructure(pnt, typeof(DEV_BROADCAST_HDR));
if(broadcast.dbch_DeviceType == DBT_DEVTYP_DEVICEINTERFACE)
{
var devInterface = (DEV_BROADCAST_DEVICEINTERFACE)Marshal.PtrToStructure(pnt, typeof(DEV_BROADCAST_DEVICEINTERFACE));
if(devInterface.dbcc_classguid = GUID_DEVINTERFACE_USB_DEVICE)
{
// devInterface.dbcc_name will contain the VID and PID for example:
// ''?'USB#Vid_067b&Pid_2517#6&12115ad4&2&1#{GUID}
DoSomthingSpecial(devInterface.dbcc_name);
}
}
}
return false;
}
[StructLayout(LayoutKind.Sequential)]
struct DEV_BROADCAST_HDR {
public uint dbch_Size;
public uint dbch_DeviceType;
public uint dbch_Reserved;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public struct DEV_BROADCAST_DEVICEINTERFACE
{
public int dbcc_size;
public int dbcc_devicetype;
public int dbcc_reserved;
public Guid dbcc_classguid;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=255)]
public string dbcc_name;
}
如果您需要枚举所有已连接的设备，我建议您使用 WMI 方法。如果您想了解如何在没有WMI的情况下执行此操作，请查看Windows驱动程序开发工具包中的USBView代码，它可能会帮助您入门。