c#使用wmi查詢usb設備信息示例
開發(fā)環(huán)境：Visual Studio V2010 .NET Framework 4 Client Profile
using System;
using System.Management;
using System.Text.RegularExpressions;
using System.Collections.Generic;
namespace Splash.IO.PORTS
{
/// <summary>
/// 即插即用設備信息結構
/// </summary>
public struct PnPEntityInfo
{
public String PNPDeviceID; // 設備ID
public String Name; // 設備名稱
public String Description; // 設備描述
public String Service; // 服務
public String Status; // 設備狀態(tài)
public UInt16 VendorID; // 供應商標識
public UInt16 ProductID;// 產品編號
public Guid ClassGuid; // 設備安裝類GUID
}
/// <summary>
/// 基于WMI獲取USB設備信息
/// </summary>
public partial class USB
{
#region UsbDevice
/// <summary>
/// 獲取所有的USB設備實體（過濾沒有VID和PID的設備）
/// </summary>
public static PnPEntityInfo[] AllUsbDevices
{
get
{
return WhoUsbDevice(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
}
}
/// <summary>
/// 查詢USB設備實體（設備要求有VID和PID）
/// </summary>
/// <param name="VendorID">供應商標識，MinValue忽視</param>
/// <param name="ProductID">產品編號，MinValue忽視</param>
/// <param name="ClassGuid">設備安裝類Guid，Empty忽視</param>
/// <returns>設備列表</returns>
public static PnPEntityInfo[] WhoUsbDevice(UInt16 VendorID, UInt16 ProductID, Guid ClassGuid)
{
List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
// 獲取USB控制器及其相關聯(lián)的設備實體
ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher("SELECT * FROM Win32_USBControllerDevice").Get();
if (USBControllerDeviceCollection != null)
{
foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollection)
{ // 獲取設備實體的DeviceID
String Dependent = (USBControllerDevice["Dependent"] as String).Split(new Char[] { '=' })[1];
// 過濾掉沒有VID和PID的USB設備
Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
if (match.Success)
{
UInt16 theVendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16); // 供應商標識
if (VendorID != UInt16.MinValue && VendorID != theVendorID) continue;
UInt16 theProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 產品編號
if (ProductID != UInt16.MinValue && ProductID != theProductID) continue;
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity WHERE DeviceID=" + Dependent).Get();
if (PnPEntityCollection != null)
{
foreach (ManagementObject Entity in PnPEntityCollection)
{
Guid theClassGuid = new Guid(Entity["ClassGuid"] as String);// 設備安裝類GUID
if (ClassGuid != Guid.Empty && ClassGuid != theClassGuid) continue;
PnPEntityInfo Element;
Element.PNPDeviceID = Entity["PNPDeviceID"] as String; // 設備ID
Element.Name = Entity["Name"] as String;// 設備名稱
Element.Description = Entity["Description"] as String; // 設備描述
Element.Service = Entity["Service"] as String; // 服務
Element.Status = Entity["Status"] as String;// 設備狀態(tài)
Element.VendorID = theVendorID; // 供應商標識
Element.ProductID = theProductID; // 產品編號
Element.ClassGuid = theClassGuid; // 設備安裝類GUID
UsbDevices.Add(Element);
}
}
}
}
}
if (UsbDevices.Count == 0) return null; else return UsbDevices.ToArray();
}
/// <summary>
/// 查詢USB設備實體（設備要求有VID和PID）
/// </summary>
/// <param name="VendorID">供應商標識，MinValue忽視</param>
/// <param name="ProductID">產品編號，MinValue忽視</param>
/// <returns>設備列表</returns>
public static PnPEntityInfo[] WhoUsbDevice(UInt16 VendorID, UInt16 ProductID)
{
return WhoUsbDevice(VendorID, ProductID, Guid.Empty);
}
/// <summary>
/// 查詢USB設備實體（設備要求有VID和PID）
/// </summary>
/// <param name="ClassGuid">設備安裝類Guid，Empty忽視</param>
/// <returns>設備列表</returns>
public static PnPEntityInfo[] WhoUsbDevice(Guid ClassGuid)
{
return WhoUsbDevice(UInt16.MinValue, UInt16.MinValue, ClassGuid);
}
/// <summary>
/// 查詢USB設備實體（設備要求有VID和PID）
/// </summary>
/// <param name="PNPDeviceID">設備ID，可以是不完整信息</param>
/// <returns>設備列表</returns>
public static PnPEntityInfo[] WhoUsbDevice(String PNPDeviceID)
{
List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
// 獲取USB控制器及其相關聯(lián)的設備實體
ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher("SELECT * FROM Win32_USBControllerDevice").Get();
if (USBControllerDeviceCollection != null)
{
foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollection)
{ // 獲取設備實體的DeviceID
String Dependent = (USBControllerDevice["Dependent"] as String).Split(new Char[] { '=' })[1];
if (!String.IsNullOrEmpty(PNPDeviceID))
{ // 注意：忽視大小寫
if (Dependent.IndexOf(PNPDeviceID, 1, PNPDeviceID.Length - 2, StringComparison.OrdinalIgnoreCase) == -1) continue;
}
// 過濾掉沒有VID和PID的USB設備
Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
if (match.Success)
{
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity WHERE DeviceID=" + Dependent).Get();
if (PnPEntityCollection != null)
{
foreach (ManagementObject Entity in PnPEntityCollection)
{
PnPEntityInfo Element;
Element.PNPDeviceID = Entity["PNPDeviceID"] as String; // 設備ID
Element.Name = Entity["Name"] as String;// 設備名稱
Element.Description = Entity["Description"] as String; // 設備描述
Element.Service = Entity["Service"] as String; // 服務
Element.Status = Entity["Status"] as String;// 設備狀態(tài)
Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16); // 供應商標識
Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 產品編號 // 產品編號
Element.ClassGuid = new Guid(Entity["ClassGuid"] as String);// 設備安裝類GUID
UsbDevices.Add(Element);
}
}
}
}
}
if (UsbDevices.Count == 0) return null; else return UsbDevices.ToArray();
}
/// <summary>
/// 根據服務定位USB設備
/// </summary>
/// <param name="ServiceCollection">要查詢的服務集合</param>
/// <returns>設備列表</returns>
public static PnPEntityInfo[] WhoUsbDevice(String[] ServiceCollection)
{
if (ServiceCollection == null || ServiceCollection.Length == 0)
return WhoUsbDevice(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
// 獲取USB控制器及其相關聯(lián)的設備實體
ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher("SELECT * FROM Win32_USBControllerDevice").Get();
if (USBControllerDeviceCollection != null)
{
foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollection)
{ // 獲取設備實體的DeviceID
String Dependent = (USBControllerDevice["Dependent"] as String).Split(new Char[] { '=' })[1];
// 過濾掉沒有VID和PID的USB設備
Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
if (match.Success)
{
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity WHERE DeviceID=" + Dependent).Get();
if (PnPEntityCollection != null)
{
foreach (ManagementObject Entity in PnPEntityCollection)
{
String theService = Entity["Service"] as String; // 服務
if (String.IsNullOrEmpty(theService)) continue;
foreach (String Service in ServiceCollection)
{ // 注意：忽視大小寫
if (String.Compare(theService, Service, true) != 0) continue;
PnPEntityInfo Element;
Element.PNPDeviceID = Entity["PNPDeviceID"] as String; // 設備ID
Element.Name = Entity["Name"] as String;// 設備名稱
Element.Description = Entity["Description"] as String; // 設備描述
Element.Service = theService; // 服務
Element.Status = Entity["Status"] as String;// 設備狀態(tài)
Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16); // 供應商標識
Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 產品編號
Element.ClassGuid = new Guid(Entity["ClassGuid"] as String);// 設備安裝類GUID
UsbDevices.Add(Element);
break;
}
}
}
}
}
}
if (UsbDevices.Count == 0) return null; else return UsbDevices.ToArray();
}
#endregion
#region PnPEntity
/// <summary>
/// 所有即插即用設備實體（過濾沒有VID和PID的設備）
/// </summary>
public static PnPEntityInfo[] AllPnPEntities
{
get
{
return WhoPnPEntity(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
}
}
/// <summary>
/// 根據VID和PID及設備安裝類GUID定位即插即用設備實體
/// </summary>
/// <param name="VendorID">供應商標識，MinValue忽視</param>
/// <param name="ProductID">產品編號，MinValue忽視</param>
/// <param name="ClassGuid">設備安裝類Guid，Empty忽視</param>
/// <returns>設備列表</returns>
/// <remarks>
/// HID：{745a17a0-74d3-11d0-b6fe-00a0c90f57da}
/// Imaging Device：{6bdd1fc6-810f-11d0-bec7-08002be2092f}
/// Keyboard：{4d36e96b-e325-11ce-bfc1-08002be10318}
/// Mouse：{4d36e96f-e325-11ce-bfc1-08002be10318}
/// Network Adapter：{4d36e972-e325-11ce-bfc1-08002be10318}
/// USB：{36fc9e60-c465-11cf-8056-444553540000}
/// </remarks>
public static PnPEntityInfo[] WhoPnPEntity(UInt16 VendorID, UInt16 ProductID, Guid ClassGuid)
{
List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
// 枚舉即插即用設備實體
String VIDPID;
if (VendorID == UInt16.MinValue)
{
if (ProductID == UInt16.MinValue)
VIDPID = "'%VID[_]____&PID[_]____%'";
else
VIDPID = "'%VID[_]____&PID[_]" + ProductID.ToString("X4") + "%'";
}
else
{
if (ProductID == UInt16.MinValue)
VIDPID = "'%VID[_]" + VendorID.ToString("X4") + "&PID[_]____%'";
else
VIDPID = "'%VID[_]" + VendorID.ToString("X4") + "&PID[_]" + ProductID.ToString("X4") + "%'";
}
String QueryString;
if (ClassGuid == Guid.Empty)
QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE" + VIDPID;
else
QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE" + VIDPID + " AND ClassGuid='" + ClassGuid.ToString("B") + "'";
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
if (PnPEntityCollection != null)
{
foreach (ManagementObject Entity in PnPEntityCollection)
{
String PNPDeviceID = Entity["PNPDeviceID"] as String;
Match match = Regex.Match(PNPDeviceID, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
if (match.Success)
{
PnPEntityInfo Element;
Element.PNPDeviceID = PNPDeviceID; // 設備ID
Element.Name = Entity["Name"] as String;// 設備名稱
Element.Description = Entity["Description"] as String; // 設備描述
Element.Service = Entity["Service"] as String; // 服務
Element.Status = Entity["Status"] as String;// 設備狀態(tài)
Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16); // 供應商標識
Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 產品編號
Element.ClassGuid = new Guid(Entity["ClassGuid"] as String);// 設備安裝類GUID
PnPEntities.Add(Element);
}
}
}
if (PnPEntities.Count == 0) return null; else return PnPEntities.ToArray();
}
/// <summary>
/// 根據VID和PID定位即插即用設備實體
/// </summary>
/// <param name="VendorID">供應商標識，MinValue忽視</param>
/// <param name="ProductID">產品編號，MinValue忽視</param>
/// <returns>設備列表</returns>
public static PnPEntityInfo[] WhoPnPEntity(UInt16 VendorID, UInt16 ProductID)
{
return WhoPnPEntity(VendorID, ProductID, Guid.Empty);
}
/// <summary>
/// 根據設備安裝類GUID定位即插即用設備實體
/// </summary>
/// <param name="ClassGuid">設備安裝類Guid，Empty忽視</param>
/// <returns>設備列表</returns>
public static PnPEntityInfo[] WhoPnPEntity(Guid ClassGuid)
{
return WhoPnPEntity(UInt16.MinValue, UInt16.MinValue, ClassGuid);
}
/// <summary>
/// 根據設備ID定位設備
/// </summary>
/// <param name="PNPDeviceID">設備ID，可以是不完整信息</param>
/// <returns>設備列表</returns>
/// <remarks>
/// 注意：對于下劃線，需要寫成“[_]”，否則視為任意字符
/// </remarks>
public static PnPEntityInfo[] WhoPnPEntity(String PNPDeviceID)
{
List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
// 枚舉即插即用設備實體
String QueryString;
if (String.IsNullOrEmpty(PNPDeviceID))
{
QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE '%VID[_]____&PID[_]____%'";
}
else
{ // LIKE子句中有反斜杠字符將會引發(fā)WQL查詢異常
QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE '%" + PNPDeviceID.Replace('\\', '_') + "%'";
}
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
if (PnPEntityCollection != null)
{
foreach (ManagementObject Entity in PnPEntityCollection)
{
String thePNPDeviceID = Entity["PNPDeviceID"] as String;
Match match = Regex.Match(thePNPDeviceID, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
if (match.Success)
{
PnPEntityInfo Element;
Element.PNPDeviceID = thePNPDeviceID; // 設備ID
Element.Name = Entity["Name"] as String;// 設備名稱
Element.Description = Entity["Description"] as String; // 設備描述
Element.Service = Entity["Service"] as String; // 服務
Element.Status = Entity["Status"] as String;// 設備狀態(tài)
Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16); // 供應商標識
Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 產品編號
Element.ClassGuid = new Guid(Entity["ClassGuid"] as String);// 設備安裝類GUID
PnPEntities.Add(Element);
}
}
}
if (PnPEntities.Count == 0) return null; else return PnPEntities.ToArray();
}
/// <summary>
/// 根據服務定位設備
/// </summary>
/// <param name="ServiceCollection">要查詢的服務集合，null忽視</param>
/// <returns>設備列表</returns>
/// <remarks>
/// 跟服務相關的類：
/// Win32_SystemDriverPNPEntity
/// Win32_SystemDriver
/// </remarks>
public static PnPEntityInfo[] WhoPnPEntity(String[] ServiceCollection)
{
if (ServiceCollection == null || ServiceCollection.Length == 0)
return WhoPnPEntity(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
// 枚舉即插即用設備實體
String QueryString = "SELECT * FROM Win32_PnPEntity WHERE PNPDeviceID LIKE '%VID[_]____&PID[_]____%'";
ManagementObjectCollection PnPEntityCollection = new ManagementObjectSearcher(QueryString).Get();
if (PnPEntityCollection != null)
{
foreach (ManagementObject Entity in PnPEntityCollection)
{
String PNPDeviceID = Entity["PNPDeviceID"] as String;
Match match = Regex.Match(PNPDeviceID, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
if (match.Success)
{
String theService = Entity["Service"] as String;// 服務
if (String.IsNullOrEmpty(theService)) continue;
foreach (String Service in ServiceCollection)
{ // 注意：忽視大小寫
if (String.Compare(theService, Service, true) != 0) continue;
PnPEntityInfo Element;
Element.PNPDeviceID = PNPDeviceID; // 設備ID
Element.Name = Entity["Name"] as String;// 設備名稱
Element.Description = Entity["Description"] as String; // 設備描述
Element.Service = theService; // 服務
Element.Status = Entity["Status"] as String;// 設備狀態(tài)
Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16); // 供應商標識
Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 產品編號
Element.ClassGuid = new Guid(Entity["ClassGuid"] as String);// 設備安裝類GUID
PnPEntities.Add(Element);
break;
}
}
}
}
if (PnPEntities.Count == 0) return null; else return PnPEntities.ToArray();
}
#endregion
}
}
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