using System;using System.Collections.Generic;using System.Globalization;using System.Management;using System.IO;using System.Net;using System.Net.NetworkInformation;using System.Net.Sockets;using System.Runtime.InteropServices;using System.Text;namespace UsbDemo{    internal enum WmiType    {        Win32_Processor,        Win32_PerfFormattedData_PerfOS_Memory,        Win32_PhysicalMemory,        Win32_NetworkAdapterConfiguration,        Win32_LogicalDisk    }    /// <summary>    /// 获取硬盘号和CPU号    /// </summary>    public class WmiHelper    {        public class MachineNumber        {            static Dictionary<string, ManagementObjectCollection> WmiDict =                new Dictionary<string, ManagementObjectCollection>();            static MachineNumber()            {                var names = Enum.GetNames(typeof(WmiType));                foreach (string name in names)                {                    WmiDict.Add(name, new ManagementObjectSearcher("SELECT * FROM " + name).Get());                }            }            /// <summary>            /// 获取硬盘号码            /// </summary>            /// <returns></returns>            public static string GetHardDiskNumber()            {                var query = WmiDict[WmiType.Win32_LogicalDisk.ToString()];                //var collection = query.Get();                string result = string.Empty;                foreach (var obj in query)                {                    result = obj["VolumeSerialNumber"].ToString();                    break;                }                return result;            }            /// <summary>            /// 获取CPU号码            /// </summary>            /// <returns></returns>            public static string GetCPUNumber()            {                var query = WmiDict[WmiType.Win32_Processor.ToString()];                //var collection = query.Get();                string result = string.Empty;                foreach (var obj in query)                {                    result = obj["Processorid"].ToString();                    break;                }                return result;            }            /// <summary>            /// 获取内存编号            /// </summary>            /// <returns></returns>            public static string GetMemoryNumber()            {                var query = WmiDict[WmiType.Win32_PhysicalMemory.ToString()];                //var collection = query.Get();                string result = string.Empty;                foreach (var obj in query)                {                    result = obj["PartNumber"].ToString();                    break;                }                return result;            }            /// <summary>            /// 获取硬盘信息            /// </summary>            /// <returns></returns>            public static string HardDiskInfo()            {                DriveInfo[] drives = DriveInfo.GetDrives();                StringBuilder sr = new StringBuilder();                foreach (DriveInfo drive in drives)                {                    if (drive.IsReady)                    {                        var val1 = (double)drive.TotalSize / 1024 / 1024;                        var val2 = (double)drive.TotalFreeSpace / 1024 / 1024;                        sr.AppendFormat("{0}:{2}/{3}MB/{4}MB/{1}%可用;" + Environment.NewLine, drive.Name, string.Format("{0:F2}", val2 / val1 * 100), drive.DriveFormat, (long)val1, (long)val2);                    }                }                return sr.ToString();            }            /// <summary>            /// 获取操作系统信息            /// </summary>            /// <returns></returns>            public static string OSInfo()            {                StringBuilder sr = new StringBuilder();                sr.AppendFormat("机器名:{0};操作系统:{1};系统文件夹:{2};语言:{3};.NET:{4};当前目录:{5};当前用户:{6};",                    Environment.MachineName,                    Environment.OSVersion,                    Environment.SystemDirectory,                    CultureInfo.InstalledUICulture.EnglishName,                    Environment.Version,                    Environment.CurrentDirectory,                    Environment.UserName);                return sr.ToString();            }            /// <summary>            /// 获取网卡信息            /// </summary>            /// <returns></returns>            public static string NetworkInfo()            {                StringBuilder sr = new StringBuilder();                string host = Dns.GetHostName();                IPHostEntry ipEntry = Dns.GetHostByName(host);                sr.Append("IPv4:" + ipEntry.AddressList[0] + "/");                sr.Append("IPv6:");                ipEntry = Dns.GetHostEntry(host);                sr.Append("IPv6:" + ipEntry.AddressList[0] + ";");                sr.Append("MAC:");                var query = WmiDict[WmiType.Win32_NetworkAdapterConfiguration.ToString()];                foreach (var obj in query)                {                    if (obj["IPEnabled"].ToString() == "True")                        sr.Append(obj["MacAddress"] + ";");                }                return sr.ToString();            }            /// <summary>            /// 获取内存信息            /// </summary>            /// <returns></returns>            public static string MemoryInfo()            {                StringBuilder sr = new StringBuilder();                try                {                    long capacity = 0;                    var query = WmiDict[WmiType.Win32_PhysicalMemory.ToString()];                    int index = 1;                    foreach (var obj in query)                    {                        //sr.Append("内存" + index + "频率:" + obj["ConfiguredClockSpeed"] + ";");                        capacity += Convert.ToInt64(obj["Capacity"]);                        index++;                    }                    sr.Append("总物理内存:");                    sr.Append(capacity / 1024 / 1024 + "MB;");                    query = WmiDict[WmiType.Win32_PerfFormattedData_PerfOS_Memory.ToString()];                    sr.Append("总可用内存:");                    long available = 0;                    foreach (var obj in query)                    {                        available += Convert.ToInt64(obj.Properties["AvailableMBytes"].Value);                    }                    sr.Append(available + "MB;");                    sr.AppendFormat("{0:F2}%可用; ", (double)available / (capacity / 1024 / 1024) * 100);                }                catch (Exception ex)                {                    sr.Append("异常信息:" + ex.Message);                }                return sr.ToString();            }            /// <summary>            /// 获取CPU信息            /// </summary>            /// <returns></returns>            public static string CpuInfo()            {                StringBuilder sr = new StringBuilder();                var query = WmiDict[WmiType.Win32_Processor.ToString()];                foreach (var obj in query)                {                    sr.Append("厂商:" + obj["Manufacturer"] + ";");                    sr.Append("产品名称:" + obj["Name"] + ";");                    sr.Append("最大频率:" + obj["MaxClockSpeed"] + ";");                    sr.Append("当前频率:" + obj["CurrentClockSpeed"] + ";");                }                return sr.ToString();            }        }    }}

using System;using System.Management;namespace UsbDemo{    /// <summary>      /// USB控制设备类型      /// </summary>      public struct ProcessInfo    {        /// <summary>          /// USB控制器设备ID          /// </summary>          public String Antecedent;        /// <summary>          /// USB即插即用设备ID          /// </summary>          public String Dependent;    }    class ProcessWatcher    {        /// <summary>          /// USB插入事件监视          /// </summary>          private ManagementEventWatcher insertWatcher = null;        /// <summary>          /// USB拔出事件监视          /// </summary>          private ManagementEventWatcher removeWatcher = null;        /// <summary>          /// 添加USB事件监视器          /// </summary>          /// <param name="usbInsertHandler">USB插入事件处理器</param>          /// <param name="usbRemoveHandler">USB拔出事件处理器</param>          /// <param name="withinInterval">发送通知允许的滞后时间</param>          public Boolean AddUSBEventWatcher(EventArrivedEventHandler usbInsertHandler, EventArrivedEventHandler usbRemoveHandler, TimeSpan withinInterval)        {            try            {                ////创建WQL事件查询，用于实例创建                //var qCreate = new WqlEventQuery("__InstanceCreationEvent",TimeSpan.FromSeconds(1),"TargetInstance ISA ‘Win32_Process‘");                ////创建WQL事件查询，用于实例删除                //var qDelete = new WqlEventQuery("__InstanceDeletionEvent",TimeSpan.FromSeconds(1), "TargetInstance ISA ‘Win32_Process‘");                ////创建事件查询的侦听器（ManagementEventWatcher）                //var wCreate = new ManagementEventWatcher(qCreate);                //var wDelete = new ManagementEventWatcher(qDelete);                ////事件注册代码                //wCreate.EventArrived += (sender, e) =>                //{                //    Console.WriteLine("运行：{0}", GetInfo(e.NewEvent));                //};                //wDelete.EventArrived += (sender, e) =>                //{                //    Console.WriteLine("关闭：{0}", GetInfo(e.NewEvent));                //};                ////异步开始侦听                //wCreate.Start();                //wDelete.Start();                //Console.WriteLine("按任意键停止监控");                //Console.ReadKey(true);                // 进程执行监视                  if (usbInsertHandler != null)                {                    WqlEventQuery InsertQuery = new WqlEventQuery("__InstanceCreationEvent", withinInterval, "TargetInstance ISA ‘Win32_Process‘");                    insertWatcher = new ManagementEventWatcher( InsertQuery);                    insertWatcher.EventArrived += usbInsertHandler;                    insertWatcher.Start();                }                // 进程结束监视                  if (usbRemoveHandler != null)                {                    WqlEventQuery RemoveQuery = new WqlEventQuery("__InstanceDeletionEvent", withinInterval, "TargetInstance ISA ‘Win32_Process‘");                    removeWatcher = new ManagementEventWatcher( RemoveQuery);                    removeWatcher.EventArrived += usbRemoveHandler;                    removeWatcher.Start();                }                return true;            }            catch (Exception)            {                RemoveUSBEventWatcher();                return false;            }        }        /// <summary>          /// 移去USB事件监视器          /// </summary>          public void RemoveUSBEventWatcher()        {            if (insertWatcher != null)            {                insertWatcher.Stop();                insertWatcher = null;            }            if (removeWatcher != null)            {                removeWatcher.Stop();                removeWatcher = null;            }        }        //输出事件对应的ManagementBaseObject（本例中的Win32_Process实例）的信息        static string GetInfo(ManagementBaseObject mobj)        {            var instance = (ManagementBaseObject)mobj["TargetInstance"];            return string.Format("{0} - {1}", instance["Name"], DateTime.Now);        }        /// <summary>          /// 定位发生插拔的USB设备          /// </summary>          /// <param name="e">USB插拔事件参数</param>          /// <returns>发生插拔现象的USB控制设备ID</returns>          public static ProcessInfo[] WhoControllerDevice(EventArrivedEventArgs e)        {            ManagementBaseObject instance = e.NewEvent["TargetInstance"] as ManagementBaseObject;            return new ProcessInfo[1] { new ProcessInfo { Antecedent = instance["Name"].ToString(), Dependent = instance["Name"].ToString() } };        }    }}