WindowsFormsApp---USBDevicefind监听usb插拔
代码：
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace WindowsFormsApp___USBDevicefind { public partial class Form1 : Form { public Form1() { InitializeComponent(); } public const int WM_DEVICECHANGE = 0x219; //U盘插入后，OS的底层会自动检测到，然后向应用程序发送“硬件设备状态改变“的消息 public const int DBT_DEVICEARRIVAL = 0x8000; //就是用来表示U盘可用的。一个设备或媒体已被插入一块，现在可用。 public const int DBT_CONFIGCHANGECANCELED = 0x0019; //要求更改当前的配置（或取消停靠码头）已被取消。 public const int DBT_CONFIGCHANGED = 0x0018; //当前的配置发生了变化，由于码头或取消固定。 public const int DBT_CUSTOMEVENT = 0x8006; //自定义的事件发生。 的Windows NT 4.0和Windows 95：此值不支持。 public const int DBT_DEVICEQUERYREMOVE = 0x8001; //审批要求删除一个设备或媒体作品。任何应用程序也不能否认这一要求，并取消删除。 public const int DBT_DEVICEQUERYREMOVEFAILED = 0x8002; //请求删除一个设备或媒体片已被取消。 public const int DBT_DEVICEREMOVECOMPLETE = 0x8004; //一个设备或媒体片已被删除。 public const int DBT_DEVICEREMOVEPENDING = 0x8003; //一个设备或媒体一块即将被删除。不能否认的。 public const int DBT_DEVICETYPESPECIFIC = 0x8005; //一个设备特定事件发生。 public const int DBT_DEVNODES_CHANGED = 0x0007; //一种设备已被添加到或从系统中删除。 public const int DBT_QUERYCHANGECONFIG = 0x0017; //许可是要求改变目前的配置（码头或取消固定）。 public const int DBT_USERDEFINED = 0xFFFF; //此消息的含义是用户定义的 public const int DBT_DEVTYP_VOLUME = 0x00000002; /// <summary> /// 处理windows 消息 /// </summary> /// <param name="m"></param> protected override void WndProc(ref Message m) { try { if (m.Msg == WM_DEVICECHANGE) { switch (m.WParam.ToInt32()) { case WM_DEVICECHANGE: //MessageBox.Show("判断检测USB插入电脑"); break; case DBT_DEVICEARRIVAL: MessageBox.Show("判断检测USB插入电脑"); DriveInfo[] s = DriveInfo.GetDrives(); foreach (DriveInfo drive in s) { if (drive.DriveType == DriveType.Removable) { break; } } break; case DBT_CONFIGCHANGECANCELED: break; case DBT_CONFIGCHANGED: break; case DBT_CUSTOMEVENT: break; case DBT_DEVICEQUERYREMOVE: break; case DBT_DEVICEQUERYREMOVEFAILED: break; case DBT_DEVICEREMOVECOMPLETE: MessageBox.Show("判断检测USB拔出电脑"); break; case DBT_DEVICEREMOVEPENDING: break; case DBT_DEVICETYPESPECIFIC: break; case DBT_DEVNODES_CHANGED: break; case DBT_QUERYCHANGECONFIG: break; case DBT_USERDEFINED: break; default: break; } } } catch (Exception ex) { MessageBox.Show(ex.Message); } base.WndProc(ref m); } } }
效果：
ConsoleApp---TestUSBDeviceFind监听usb插拔
代码：
using System; using System.Collections.Generic; using System.Management; using System.Security.Cryptography; using System.Text; using System.Text.RegularExpressions; namespace ConsoleApp___TestUSBDeviceFind { internal class Program { static void Main(string[] args) { try { //查询所有设备的插拔事件 #region 第一种查询方法 //Win32_DeviceChangeEvent Win32_VolumeChangeEvent ManagementEventWatcher watcher = new ManagementEventWatcher(); WqlEventQuery query = new WqlEventQuery("SELECT * FROM Win32_DeviceChangeEvent WHERE EventType = 2 or EventType = 3"); watcher.EventArrived += (s, e) => { var txt = ""; foreach (var p in e.NewEvent.Properties) { txt = "name " + p.Name + " val " + p.Value + "\r\n"; Console.WriteLine(txt); //hid 10进制 pid=57346,vid=1137 十六进制 pid=0xE002,vid=0x0471 //adb 10进制 pid=17,vid=8711 十六进制 pid=0x011,vid=0x2207 //UsbHelper.WhoUsbDevice(57346, 1137); } //string driveName = e.NewEvent.Properties["DriveName"].Value.ToString(); //EventType eventType = (EventType)(Convert.ToInt16(e.NewEvent.Properties["EventType"].Value)); //string eventName = Enum.GetName(typeof(EventType), eventType); //Console.WriteLine("{0}: {1} {2}", DateTime.Now, driveName, eventName); }; watcher.Query = query; watcher.Start(); #endregion #region 第二种查询方法 //// Full query string specified to the constructor //WqlEventQuery q = new WqlEventQuery("SELECT * FROM Win32_ComputerShutdownEvent"); //// Only relevant event class name specified to the constructor //// Results in the same query as above. //WqlEventQuery query = new WqlEventQuery("Win32_ComputerShutdownEvent"); //Console.WriteLine(query.QueryString); //ConnectionOptions connectionOptions = new ConnectionOptions(); //connectionOptions.EnablePrivileges = true;//启用用户特权 //ManagementScope managementScope = new ManagementScope("root\\CIMV2", connectionOptions); //WqlEventQuery wqlEventQuery = new WqlEventQuery(); //wqlEventQuery.EventClassName = "Win32_DeviceChangeEvent"; //wqlEventQuery.Condition = "EventType = 2 or EventType = 3"; //wqlEventQuery.WithinInterval = TimeSpan.FromSeconds(1); //ManagementEventWatcher watcher = new ManagementEventWatcher(managementScope, wqlEventQuery); ////watcher.EventArrived += Watcher_EventArrived; //watcher.EventArrived += (sender, e) => //{ // var txt = ""; // foreach (var p in e.NewEvent.Properties) // { // txt = "name " + p.Name + " val " + p.Value + "\r\n"; // Console.WriteLine(txt); // DeviceManage.Instance.FindDevice(); // } //}; //watcher.Start(); #endregion Console.Read(); //ServicesManager.Instance.StartServices(); //Thread.CurrentThread.IsBackground = false; //Thread.Sleep(Timeout.Infinite); } catch (Exception e) { //logger.Error("Main", e); } } private static void Watcher_EventArrived(object sender, EventArrivedEventArgs e) { throw new NotImplementedException(); } /// <summary> /// C#检测pc光驱里是否插入了光盘的方法 /// </summary> /// <param name="args"></param> static void Main2(string[] args) { ManagementEventWatcher w = null; WqlEventQuery q; ManagementOperationObserver observer = new ManagementOperationObserver(); // Bind to local machine ConnectionOptions opt = new ConnectionOptions(); opt.EnablePrivileges = true;//sets required privilege启动用户特权 ManagementScope scope = new ManagementScope("root\\CIMV2", opt); try { q = new WqlEventQuery(); q.EventClassName = "__InstanceModificationEvent"; q.WithinInterval = new TimeSpan(0, 0, 1); // DriveType - 5: CDROM q.Condition = @"TargetInstance ISA 'Win32_LogicalDisk' and TargetInstance.DriveType = 5"; w = new ManagementEventWatcher(scope, q); // register async. event handler w.EventArrived += new EventArrivedEventHandler(CDREventArrived); w.Start(); // Do something usefull,block thread for testing Console.ReadLine(); } catch (Exception e) { Console.WriteLine(e.Message); } finally { w.Stop(); } } // Dump all properties public static void CDREventArrived(object sender, EventArrivedEventArgs e) { // Get the Event object and display it PropertyData pd = e.NewEvent.Properties["TargetInstance"]; if (pd != null) { ManagementBaseObject mbo = pd.Value as ManagementBaseObject; // if CD removed VolumeName == null if (mbo.Properties["VolumeName"].Value != null) { Console.WriteLine("CD has been inserted"); } else { Console.WriteLine("CD has been ejected"); } } } }
效果：
WPFApp---USBDevicefind监听usb插拔
代码：
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Interop; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace WPFApp___USBDevicefind { /// <summary> /// MainWindow.xaml 的交互逻辑 /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private IntPtr _intPtr = new IntPtr();//当前窗口句柄 public const int WM_DEVICECHANGE = 0x219;//Windows消息编号 //public const int DBT_DEVICEARRIVAL = 0x8000; //public const int DBT_DEVICEREMOVECOMPLETE = 0x8004; public const int DBT_DEVNODES_CHANGED = 0x0007; //public const int WM_DEVICECHANGE = 0x219; public const int DBT_DEVICEARRIVAL = 0x8000; public const int DBT_CONFIGCHANGECANCELED = 0x0019; public const int DBT_CONFIGCHANGED = 0x0018; public const int DBT_CUSTOMEVENT = 0x8006; public const int DBT_DEVICEQUERYREMOVE = 0x8001; public const int DBT_DEVICEQUERYREMOVEFAILED = 0x8002; public const int DBT_DEVICEREMOVECOMPLETE = 0x8004; public const int DBT_DEVICEREMOVEPENDING = 0x8003; public const int DBT_DEVICETYPESPECIFIC = 0x8005; //public const int DBT_DEVNODES_CHANGED = 0x0007; public const int DBT_QUERYCHANGECONFIG = 0x0017; public const int DBT_USERDEFINED = 0xFFFF; protected override void OnSourceInitialized(EventArgs e) { base.OnSourceInitialized(e); _intPtr = new WindowInteropHelper(this).Handle; HwndSource hwndSource = HwndSource.FromHwnd(_intPtr); // 添加处理程序 if (hwndSource != null) hwndSource.AddHook(HwndSourceHook); } /// <summary> /// 钩子函数 /// </summary> /// <param name="hwnd"></param> /// <param name="msg"></param> /// <param name="wParam"></param> /// <param name="lParam"></param> /// <param name="handled"></param> /// <returns></returns> public IntPtr HwndSourceHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) { if (msg == WM_DEVICECHANGE) { //switch (wParam.ToInt32()) //{ // case DBT_DEVNODES_CHANGED: //已在系统中添加或删除设备。 // System.Diagnostics.Debug.WriteLine("HwndSourceHook触发FindDevice"); // //DeviceManage.Instance.FDevice();//自定义处理方法 // break; // //case DBT_DEVICEARRIVAL://已插入设备或介质，现已可用。 // // MessageBox.Show("已插入设备或介质，现已可用。"); // // break; // //case DBT_DEVICEREMOVECOMPLETE: //已删除设备或介质。 // // MessageBox.Show("已删除设备或介质。"); // // break; // default: // break; //} switch (wParam.ToInt32()) { case WM_DEVICECHANGE: //MessageBox.Show("USB插入电脑---WM_DEVICECHANGE 改变"); break; case DBT_DEVICEARRIVAL: MessageBox.Show("USB插入电脑---DBT_DEVICEARRIVAL 到达"); //MessageBox.Show("判断检测USB插入电脑"); //DriveInfo[] s = DriveInfo.GetDrives(); //foreach (DriveInfo drive in s) //{ // if (drive.DriveType == DriveType.Removable) // { // MessageBox.Show("U盘已插入，盘符为：" + drive.Name.ToString()); // break; // } //} break; case DBT_CONFIGCHANGECANCELED: break; case DBT_CONFIGCHANGED: break; case DBT_CUSTOMEVENT: break; case DBT_DEVICEQUERYREMOVE: break; case DBT_DEVICEQUERYREMOVEFAILED: break; case DBT_DEVICEREMOVECOMPLETE: MessageBox.Show("判断检测USB拔出电脑--DBT_DEVICEREMOVECOMPLETE"); //int devType = Marshal.ReadInt32(m.LParam, 4); //if (devType == DBT_DEVTYP_VOLUME) //{ // DEV_BROADCAST_VOLUME vol; // vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_VOLUME)); // string ID = vol.dbcv_unitmask.ToString("x"); // MessageBox.Show("U盘已拔出，盘符为：" + IO(ID)); //} break; case DBT_DEVICEREMOVEPENDING: break; case DBT_DEVICETYPESPECIFIC: break; case DBT_DEVNODES_CHANGED: break; case DBT_QUERYCHANGECONFIG: break; case DBT_USERDEFINED: break; default: break; } } return IntPtr.Zero; } } }
效果：
