C#获取USB事件API

C#获取USB事件API

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);
        }