• 基于WMI获取USB设备信息(即获取插即用设备信息)System.Management.ManagementObjectSearcher--ManagementObjectCollection


    基于WMI获取USB设备信息(即获取插即用设备信息)System.Management.ManagementObjectSearcher--ManagementObjectCollection

    using System;
    using System.Collections.Generic;
    using System.IO.Ports;
    using System.Linq;
    using System.Management;
    using System.Net;
    using System.Net.Sockets;
    using System.Text;
    using System.Text.RegularExpressions;
    using System.Threading;
    using System.Threading.Tasks;
    
    //using System.Windows.Forms;
    //using Emgu.CV;
    //using Emgu.CV.CvEnum;
    //using Emgu.CV.UI;
    //using Emgu.CV.Structure;
    using System.Drawing;
    using System.IO;
    
    namespace ConsoleUsbDevice
    {
        class Program
        {
            static void Main(string[] args)
            {
                TestUsbDevice();
                Console.Read();
            }
            #region UsbHelper
    
            public static void TestUsbDevice()
            {
                ushort ProductID = 0xE002, VendorID = 0x0471;
                //PnPEntityInfo[] UsbDevices = UsbHelper.WhoUsbDevice(VendorID, ProductID);
    
                PnPEntityInfo[] UsbDevices = UsbHelper.GetUsbDevice(VendorID, ProductID);
                //foreach (var item in UsbDevices)
                //{
                //    Console.WriteLine($"{item}");
                //}
            }
    
            /// <summary>
            /// 基于WMI获取USB设备信息
            /// </summary>
            public partial class UsbHelper
            {
                #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(ushort.MinValue, ushort.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[] GetUsbDevice(ushort VendorID, ushort ProductID, Guid ClassGuid = default)
                {
                    if (!File.Exists("devices.txt"))
                    {
                        Console.WriteLine($"当前目录下没有配置文件devices.txt,请先创建配置文件devices.txt,添加配置信息!");
                        return null;
                    }
    
                    var devicesArray = File.ReadAllLines("devices.txt").Where(a => !string.IsNullOrEmpty(a)).ToArray();
                    if (devicesArray == null || devicesArray.Length <= 0)
                    {
                        Console.WriteLine($"当前目录下配置文件devices.txt中没有配置信息");
                        return null;
                    }
                    var dict = devicesArray.ToDictionary(a => a, b => false);
    
                    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)
                    {
                        var d = USBControllerDeviceCollection.OfType<ManagementObject>();
                        var separator = new char[] { ':' };
                        foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollection)
                        {
                            //Console.WriteLine($"USBControllerDevice:{USBControllerDevice.Properties["Dependent"].Value}");
                            foreach (string devicepidvid in devicesArray)
                            {
                                //USBControllerDevice["Dependent"]与USBControllerDevice.Properties["Dependent"]相同
                                if ((USBControllerDevice.Properties["Dependent"].Value as string).Contains(devicepidvid.Split(separator)[1]))
                                {
                                    dict[devicepidvid] = true;
                                }
                            }
    
                            #region MyRegion
                            //// 获取设备实体的DeviceID
                            //string Dependent = (USBControllerDevice["Dependent"] as string).Split(new char[] { '=' })[1];
    
                            //// 过滤掉没有VID和PID的USB设备
                            //Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
                            //if (match.Success)
                            //{
                            //    ushort theVendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16);   // 供应商标识
                            //    if (VendorID != ushort.MinValue && VendorID != theVendorID) continue;
    
                            //    ushort theProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 产品编号
                            //    if (ProductID != ushort.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);    // 设备安装类GUID
                            //            if (ClassGuid != Guid.Empty && ClassGuid != theClassGuid) continue;
    
                            //            PnPEntityInfo Element;
                            //            Element.PNPDeviceID = Entity["PNPDeviceID"] as string;  // 设备ID
                            //            Element.Name = Entity["Name"] as string;                // 设备名称
                            //            Element.Description = Entity["Description"] as string;  // 设备描述
                            //            Element.Service = Entity["Service"] as string;          // 服务
                            //            Element.Status = Entity["Status"] as string;            // 设备状态
                            //            Element.VendorID = theVendorID;     // 供应商标识
                            //            Element.ProductID = theProductID;   // 产品编号
                            //            Element.ClassGuid = theClassGuid;   // 设备安装类GUID
    
                            //            UsbDevices.Add(Element);
                            //        }
                            //    }
                            //} 
                            #endregion
                        }
                        Console.WriteLine($"device:pid-vid信息如下:");
                        foreach (var item in dict)
                        {
                            Console.WriteLine($"{item.Key},是否存在:{item.Value}");
                            //Console.WriteLine($"设备pid-vid:{item.Key},是否存在is exist:{item.Value}");
                        }
                    }
                    //if (UsbDevices.Count == 0) return null; else return UsbDevices.ToArray();
                    return UsbDevices.Count == 0 ? null : UsbDevices.ToArray();
                }
    
    
                /// <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(ushort VendorID, ushort ProductID, Guid ClassGuid)
                {
                    List<PnPEntityInfo> UsbDevices = new List<PnPEntityInfo>();
    
                    ManagementObjectCollection PnPEntityCollections = new ManagementObjectSearcher("SELECT * FROM Win32_PnPEntity").Get();
                    if (PnPEntityCollections != null)
                    {
                        foreach (ManagementObject Entity in PnPEntityCollections)
                        {
                            Console.WriteLine($"{Entity}");
                        }
                    }
    
                    ManagementObjectCollection USBControllerDeviceCollections = new ManagementObjectSearcher("SELECT * FROM Win32_USBControllerDevice").Get();
                    if (USBControllerDeviceCollections != null)
                    {
                        var d = USBControllerDeviceCollections.OfType<ManagementObject>();
    
                        foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollections)
                        {
                            Console.WriteLine($"{USBControllerDevice}");
                        }
                    }
    
    
                    // 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)
                    {
                        var d = USBControllerDeviceCollection.OfType<ManagementObject>();
    
                        foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollection)
                        {
                            // 获取设备实体的DeviceID
                            string Dependent = (USBControllerDevice["Dependent"] as string).Split(new char[] { '=' })[1];
    
                            // 过滤掉没有VID和PID的USB设备
                            Match match = Regex.Match(Dependent, "VID_[0-9|A-F]{4}&PID_[0-9|A-F]{4}");
                            if (match.Success)
                            {
                                ushort theVendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16);   // 供应商标识
                                if (VendorID != ushort.MinValue && VendorID != theVendorID) continue;
    
                                ushort theProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 产品编号
                                if (ProductID != ushort.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);    // 设备安装类GUID
                                        if (ClassGuid != Guid.Empty && ClassGuid != theClassGuid) continue;
    
                                        PnPEntityInfo Element;
                                        Element.PNPDeviceID = Entity["PNPDeviceID"] as string;  // 设备ID
                                        Element.Name = Entity["Name"] as string;                // 设备名称
                                        Element.Description = Entity["Description"] as string;  // 设备描述
                                        Element.Service = Entity["Service"] as string;          // 服务
                                        Element.Status = Entity["Status"] as string;            // 设备状态
                                        Element.VendorID = theVendorID;     // 供应商标识
                                        Element.ProductID = theProductID;   // 产品编号
                                        Element.ClassGuid = theClassGuid;   // 设备安装类GUID
    
                                        UsbDevices.Add(Element);
                                    }
                                }
                            }
                        }
                    }
                    //if (UsbDevices.Count == 0) return null; else return UsbDevices.ToArray();
                    return UsbDevices.Count == 0 ? null : UsbDevices.ToArray();
                }
    
                /// <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>
                /// <returns>设备列表</returns>
                public static PnPEntityInfo[] WhoUsbDevice(ushort VendorID, ushort ProductID)
                {
                    return WhoUsbDevice(VendorID, ProductID, Guid.Empty);
                }
    
                /// <summary>
                /// 查询USB设备实体(设备要求有VID和PID)
                /// </summary>
                /// <param name="ClassGuid">设备安装类Guid,Empty忽视</param>
                /// <returns>设备列表</returns>
                public static PnPEntityInfo[] WhoUsbDevice(Guid ClassGuid)
                {
                    return WhoUsbDevice(ushort.MinValue, ushort.MinValue, ClassGuid);
                }
    
                /// <summary>
                /// 查询USB设备实体(设备要求有VID和PID)
                /// </summary>
                /// <param name="PNPDeviceID">设备ID,可以是不完整信息</param>
                /// <returns>设备列表</returns>        
                public static PnPEntityInfo[] WhoUsbDevice(string PNPDeviceID)
                {
                    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)
                    {
                        foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollection)
                        {   // 获取设备实体的DeviceID
                            string Dependent = (USBControllerDevice["Dependent"] as string).Split(new char[] { '=' })[1];
                            if (!string.IsNullOrEmpty(PNPDeviceID))
                            {   // 注意:忽视大小写
                                if (Dependent.IndexOf(PNPDeviceID, 1, PNPDeviceID.Length - 2, StringComparison.OrdinalIgnoreCase) == -1) continue;
                            }
    
                            // 过滤掉没有VID和PID的USB设备
                            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;  // 设备ID
                                        Element.Name = Entity["Name"] as string;                // 设备名称
                                        Element.Description = Entity["Description"] as string;  // 设备描述
                                        Element.Service = Entity["Service"] as string;          // 服务
                                        Element.Status = Entity["Status"] as string;            // 设备状态
                                        Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16);   // 供应商标识   
                                        Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 产品编号                         // 产品编号
                                        Element.ClassGuid = new Guid(Entity["ClassGuid"] as string);            // 设备安装类GUID
    
                                        UsbDevices.Add(Element);
                                    }
                                }
                            }
                        }
                    }
    
                    if (UsbDevices.Count == 0) return null; else return UsbDevices.ToArray();
                }
    
                /// <summary>
                /// 根据服务定位USB设备
                /// </summary>
                /// <param name="ServiceCollection">要查询的服务集合</param>
                /// <returns>设备列表</returns>
                public static PnPEntityInfo[] WhoUsbDevice(string[] ServiceCollection)
                {
                    if (ServiceCollection == null || ServiceCollection.Length == 0)
                        return WhoUsbDevice(ushort.MinValue, ushort.MinValue, Guid.Empty);
    
                    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)
                    {
                        foreach (ManagementObject USBControllerDevice in USBControllerDeviceCollection)
                        {   // 获取设备实体的DeviceID
                            string Dependent = (USBControllerDevice["Dependent"] as string).Split(new char[] { '=' })[1];
    
                            // 过滤掉没有VID和PID的USB设备
                            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;          // 服务
                                        if (string.IsNullOrEmpty(theService)) continue;
    
                                        foreach (string Service in ServiceCollection)
                                        {   // 注意:忽视大小写
                                            if (string.Compare(theService, Service, true) != 0) continue;
    
                                            PnPEntityInfo Element;
                                            Element.PNPDeviceID = Entity["PNPDeviceID"] as string;  // 设备ID
                                            Element.Name = Entity["Name"] as string;                // 设备名称
                                            Element.Description = Entity["Description"] as string;  // 设备描述
                                            Element.Service = theService;                           // 服务
                                            Element.Status = Entity["Status"] as string;            // 设备状态
                                            Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16);   // 供应商标识   
                                            Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 产品编号
                                            Element.ClassGuid = new Guid(Entity["ClassGuid"] as string);            // 设备安装类GUID
    
                                            UsbDevices.Add(Element);
                                            break;
                                        }
                                    }
                                }
                            }
                        }
                    }
    
                    if (UsbDevices.Count == 0) return null; else return UsbDevices.ToArray();
                }
                #endregion
    
                #region PnPEntity
                /// <summary>
                /// 所有即插即用设备实体(过滤没有VID和PID的设备)
                /// </summary>
                public static PnPEntityInfo[] AllPnPEntities
                {
                    get
                    {
                        return WhoPnPEntity(ushort.MinValue, ushort.MinValue, Guid.Empty);
                    }
                }
    
                /// <summary>
                /// 根据VID和PID及设备安装类GUID定位即插即用设备实体
                /// </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>
                /// <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(ushort VendorID, ushort ProductID, Guid ClassGuid)
                {
                    List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
    
                    // 枚举即插即用设备实体
                    string VIDPID;
                    if (VendorID == ushort.MinValue)
                    {
                        if (ProductID == ushort.MinValue)
                            VIDPID = "'%VID[_]____&PID[_]____%'";
                        else
                            VIDPID = "'%VID[_]____&PID[_]" + ProductID.ToString("X4") + "%'";
                    }
                    else
                    {
                        if (ProductID == ushort.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;                      // 设备ID
                                Element.Name = Entity["Name"] as string;                // 设备名称
                                Element.Description = Entity["Description"] as string;  // 设备描述
                                Element.Service = Entity["Service"] as string;          // 服务
                                Element.Status = Entity["Status"] as string;            // 设备状态
                                Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16);   // 供应商标识
                                Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 产品编号
                                Element.ClassGuid = new Guid(Entity["ClassGuid"] as string);            // 设备安装类GUID
    
                                PnPEntities.Add(Element);
                            }
                        }
                    }
    
                    if (PnPEntities.Count == 0) return null; else return PnPEntities.ToArray();
                }
    
                /// <summary>
                /// 根据VID和PID定位即插即用设备实体
                /// </summary>
                /// <param name="VendorID">供应商标识,MinValue忽视</param>
                /// <param name="ProductID">产品编号,MinValue忽视</param>
                /// <returns>设备列表</returns>
                public static PnPEntityInfo[] WhoPnPEntity(ushort VendorID, ushort ProductID)
                {
                    return WhoPnPEntity(VendorID, ProductID, Guid.Empty);
                }
    
                /// <summary>
                /// 根据设备安装类GUID定位即插即用设备实体
                /// </summary>
                /// <param name="ClassGuid">设备安装类Guid,Empty忽视</param>
                /// <returns>设备列表</returns>
                public static PnPEntityInfo[] WhoPnPEntity(Guid ClassGuid)
                {
                    return WhoPnPEntity(ushort.MinValue, ushort.MinValue, ClassGuid);
                }
    
                /// <summary>
                /// 根据设备ID定位设备
                /// </summary>
                /// <param name="PNPDeviceID">设备ID,可以是不完整信息</param>
                /// <returns>设备列表</returns>
                /// <remarks>
                /// 注意:对于下划线,需要写成“[_]”,否则视为任意字符
                /// </remarks>
                public static PnPEntityInfo[] WhoPnPEntity(string PNPDeviceID)
                {
                    List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
    
                    // 枚举即插即用设备实体
                    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将会引发WQL查询异常
                        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;                   // 设备ID
                                Element.Name = Entity["Name"] as string;                // 设备名称
                                Element.Description = Entity["Description"] as string;  // 设备描述
                                Element.Service = Entity["Service"] as string;          // 服务
                                Element.Status = Entity["Status"] as string;            // 设备状态
                                Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16);   // 供应商标识
                                Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 产品编号
                                Element.ClassGuid = new Guid(Entity["ClassGuid"] as string);            // 设备安装类GUID
    
                                PnPEntities.Add(Element);
                            }
                        }
                    }
    
                    if (PnPEntities.Count == 0) return null; else return PnPEntities.ToArray();
                }
    
                /// <summary>
                /// 根据服务定位设备
                /// </summary>
                /// <param name="ServiceCollection">要查询的服务集合,null忽视</param>
                /// <returns>设备列表</returns>
                /// <remarks>
                /// 跟服务相关的类:
                ///     Win32_SystemDriverPNPEntity
                ///     Win32_SystemDriver
                /// </remarks>
                public static PnPEntityInfo[] WhoPnPEntity(string[] ServiceCollection)
                {
                    if (ServiceCollection == null || ServiceCollection.Length == 0)
                        return WhoPnPEntity(ushort.MinValue, ushort.MinValue, Guid.Empty);
    
                    List<PnPEntityInfo> PnPEntities = new List<PnPEntityInfo>();
    
                    // 枚举即插即用设备实体
                    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;            // 服务
                                if (string.IsNullOrEmpty(theService)) continue;
    
                                foreach (string Service in ServiceCollection)
                                {   // 注意:忽视大小写
                                    if (string.Compare(theService, Service, true) != 0) continue;
    
                                    PnPEntityInfo Element;
    
                                    Element.PNPDeviceID = PNPDeviceID;                      // 设备ID
                                    Element.Name = Entity["Name"] as string;                // 设备名称
                                    Element.Description = Entity["Description"] as string;  // 设备描述
                                    Element.Service = theService;                           // 服务
                                    Element.Status = Entity["Status"] as string;            // 设备状态
                                    Element.VendorID = Convert.ToUInt16(match.Value.Substring(4, 4), 16);   // 供应商标识
                                    Element.ProductID = Convert.ToUInt16(match.Value.Substring(13, 4), 16); // 产品编号
                                    Element.ClassGuid = new Guid(Entity["ClassGuid"] as string);            // 设备安装类GUID
    
                                    PnPEntities.Add(Element);
                                    break;
                                }
                            }
                        }
                    }
    
                    if (PnPEntities.Count == 0) return null; else return PnPEntities.ToArray();
                }
    
                #endregion
            }
    
            /// <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 ushort VendorID;         // 供应商标识
                public ushort ProductID;        // 产品编号 
                public Guid ClassGuid;          // 设备安装类GUID
            }
    
            #region HardwareEnum
            //public enum HardwareEnum
            //{
            //    // 硬件
            //    Win32_Processor,         // CPU 处理器
            //    Win32_PhysicalMemory,    // 物理内存条
            //    Win32_Keyboard,          // 键盘
            //    Win32_PointingDevice,    // 点输入设备,包括鼠标。
            //    Win32_FloppyDrive,       // 软盘驱动器
            //    Win32_DiskDrive,         // 硬盘驱动器
            //    Win32_CDROMDrive,        // 光盘驱动器
            //    Win32_BaseBoard,         // 主板
            //    Win32_BIOS,              // BIOS 芯片
            //    Win32_ParallelPort,      // 并口
            //    Win32_SerialPort,        // 串口
            //    Win32_SerialPortConfiguration,   // 串口配置
            //    Win32_SoundDevice,               // 多媒体设置,一般指声卡。
            //    Win32_SystemSlot,                // 主板插槽 (ISA & PCI & AGP)
            //    Win32_USBController,             // USB 控制器
            //    Win32_NetworkAdapter,            // 网络适配器
            //    Win32_NetworkAdapterConfiguration, // 网络适配器设置
            //    Win32_Printer,                  // 打印机
            //    Win32_PrinterConfiguration,     // 打印机设置
            //    Win32_PrintJob,                 // 打印机任务
            //    Win32_TCPIPPrinterPort,         // 打印机端口
            //    Win32_POTSModem,                // MODEM
            //    Win32_POTSModemToSerialPort,    // MODEM 端口
            //    Win32_DesktopMonitor,           // 显示器
            //    Win32_DisplayConfiguration,     // 显卡
            //    Win32_DisplayControllerConfiguration,    // 显卡设置
            //    Win32_VideoController,                  // 显卡细节。
            //    Win32_VideoSettings,                    // 显卡支持的显示模式。
    
            //    // 操作系统
            //    Win32_TimeZone,                    // 时区
            //    Win32_SystemDriver,                // 驱动程序
            //    Win32_DiskPartition,               // 磁盘分区
            //    Win32_LogicalDisk,                 // 逻辑磁盘
            //    Win32_LogicalDiskToPartition,      // 逻辑磁盘所在分区及始末位置。
            //    Win32_LogicalMemoryConfiguration,  // 逻辑内存配置
            //    Win32_PageFile,                    // 系统页文件信息
            //    Win32_PageFileSetting,             // 页文件设置
            //    Win32_BootConfiguration,           // 系统启动配置
            //    Win32_ComputerSystem,              // 计算机信息简要
            //    Win32_OperatingSystem,             // 操作系统信息
            //    Win32_StartupCommand,              // 系统自动启动程序
            //    Win32_Service,                     // 系统安装的服务
            //    Win32_Group,                       // 系统管理组
            //    Win32_GroupUser,                   // 系统组帐号
            //    Win32_UserAccount,                 // 用户帐号
            //    Win32_Process,                     // 系统进程
            //    Win32_Thread,                      // 系统线程
            //    Win32_Share,                       // 共享
            //    Win32_NetworkClient,               // 已安装的网络客户端
            //    Win32_NetworkProtocol,             // 已安装的网络协议
            //    Win32_PnPEntity,                   //all device
            //}
    
            //如果是设备字符串中存在COM,则保存该字符串,则找到串口名。
            //private static string[] GetHarewareInfo(HardwareEnum hardType, string propKey)
            //{
            //    List<string> strs = new List<string>();
            //    try
            //    {
            //        using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from " + hardType))
            //        {
            //            var hardInfos = searcher.Get();
            //            foreach (var hardInfo in hardInfos)
            //            {
            //                if (hardInfo.Properties[propKey].Value != null)
            //                {
            //                    String str = hardInfo.Properties[propKey].Value.ToString();
            //                    if (str.Contains("COM"))
            //                    {
            //                        strs.Add(str);
            //                    }
            //                }
            //            }
            //        }
            //        return strs.ToArray();
            //    }
            //    catch
            //    {
            //        //MessageBox.Show("硬件端口查找错误", "程序猿的提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
            //        return null;
            //    }
            //    finally
            //    {
            //        strs = null;
            //    }
            //} 
            #endregion
    
            #endregion
        }
    }
    龙腾一族至尊龙骑
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  • 原文地址:https://www.cnblogs.com/1175429393wljblog/p/14975455.html
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