| 标题 | C#获取USB事件API |
| 内容 | const int WM_DEVICECHANGE = 0x2190; const int DBT_DEVICEARRIVAL = 0x8000; const int DBT_DEVICEREMOVECOMPLETE = 0x8004; protected override void WndProc(ref Message m) { try { //if (m.Msg == WM_DEVICECHANGE) //{ switch (m.WParam.ToInt32()) { case DBT_DEVICEARRIVAL: // U盘插入 DriveInfo[] s = DriveInfo.GetDrives(); foreach (DriveInfo drive in s) { if (drive.DriveType == DriveType.Removable) { Console.WriteLine("USB插入"); break; } } break; case DBT_DEVICEREMOVECOMPLETE: //U盘卸载 // Console.WriteLine("USB卸载"); break; default: break; } //} } catch (Exception ex) { MessageBox.Show(ex.Message); } base.WndProc(ref m); } |
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