c#使用使用wmi查询查询usb设备信息示例设备信息示例
开发环境:Visual Studio V2010 .NET Framework 4 Client Profile
代码如下:
using System;
using System.Management;
using System.Text.RegularExpressions;
using System.Collections.Generic;
namespace Splash.IO.PORTS
{
/// <summary>
/// 即插即用设备信息结构
/// </summary>
public struct PnPEntityInfo
{
public String PNPDeviceID; // 设备ID
public String Name; // 设备名称
public String Description; // 设备描述
public String Service; // 服务
public String Status; // 设备状态
public UInt16 VendorID; // 供应商标识
public UInt16 ProductID;// 产品编号
public Guid ClassGuid; // 设备安装类GUID
}
/// <summary>
/// 基于WMI获取USB设备信息
/// </summary>
public partial class USB
{
#region UsbDevice
/// <summary>
/// 获取所有的USB设备实体(过滤没有VID和PID的设备)
/// </summary>
public static PnPEntityInfo[] AllUsbDevices
{
get
{
return WhoUsbDevice(UInt16.MinValue, UInt16.MinValue, Guid.Empty);
}
}
/// <summary>
/// 查询USB设备实体(设备要求有VID和PID)
/// </summary>
/// <param name=”VendorID”>供应商标识,MinValue忽视</param>
/// <param name=”ProductID”>产品编号,MinValue忽视</param>
/// <param name=”ClassGuid”>设备安装类Guid,Empty忽视</param>
/// <returns>设备列表</returns>
public static PnPEntityInfo[] WhoUsbDevice(UInt16 VendorID, UInt16 ProductID, Guid ClassGuid)
{
List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
// 获取USB控制器及其相关联的设备实体
ManagementObjectCollection USBControllerDeviceCollection = new ManagementObjectSearcher(“SELECT * FROM
Win32_USBControllerDevice”).Get();
if (USBControllerDeviceCollection != null)