BetterExplorer.MainWindow.EjectDisk C# (CSharp) Метод

    private void EjectDisk(char DriveLetter) {
      Thread t = new Thread(() => {
        Thread.Sleep(10);
        var vdc = new VolumeDeviceClass();
        foreach (Volume item in vdc.Devices) {
          if (GetDriveLetterFromDrivePath(item.LogicalDrive) == DriveLetter) {
            var veto = item.Eject(false);
            if (veto != Native.PNP_VETO_TYPE.TypeUnknown) {
              if (veto == Native.PNP_VETO_TYPE.Ok) {
                Dispatcher.BeginInvoke(DispatcherPriority.Normal,
                                (Action)(() => {
                                  this.beNotifyIcon.ShowBalloonTip("Information", $"It is safe to remove {item.LogicalDrive}", Hardcodet.Wpf.TaskbarNotification.BalloonIcon.Info);
                                  var tabsForRemove = tcMain.Items.OfType<Wpf.Controls.TabItem>().Where(w => {
                                    var root = String.Empty;
                                    try {
                                      root = Path.GetPathRoot(w.ShellObject.ParsingName.ToShellParsingName());
                                    } catch { }
                                    return !String.IsNullOrEmpty(root) && (w.ShellObject.IsFileSystem &&
                                                    root.ToLowerInvariant() == $"{DriveLetter}:\\".ToLowerInvariant());
                                  }).ToArray();

                                  foreach (Wpf.Controls.TabItem tab in tabsForRemove) {
                                    tcMain.RemoveTabItem(tab);
                                  }
                                }));
              } else {
                var message = String.Empty;
                var obj = new ShellItem(item.LogicalDrive);
                switch (veto) {
                  case Native.PNP_VETO_TYPE.Ok:
                    break;
                  case Native.PNP_VETO_TYPE.TypeUnknown:
                    break;
                  case Native.PNP_VETO_TYPE.LegacyDevice:
                    break;
                  case Native.PNP_VETO_TYPE.PendingClose:
                    break;
                  case Native.PNP_VETO_TYPE.WindowsApp:
                    break;
                  case Native.PNP_VETO_TYPE.WindowsService:
                    break;
                  case Native.PNP_VETO_TYPE.OutstandingOpen:
                    message = $"The device {obj.GetDisplayName(SIGDN.NORMALDISPLAY)} can not be disconnected because is in use!";
                    break;
                  case Native.PNP_VETO_TYPE.Device:
                    break;
                  case Native.PNP_VETO_TYPE.Driver:
                    break;
                  case Native.PNP_VETO_TYPE.IllegalDeviceRequest:
                    break;
                  case Native.PNP_VETO_TYPE.InsufficientPower:
                    break;
                  case Native.PNP_VETO_TYPE.NonDisableable:
                    message = $"The device {obj.GetDisplayName(SIGDN.NORMALDISPLAY)} does not support disconnecting!";
                    break;
                  case Native.PNP_VETO_TYPE.LegacyDriver:
                    break;
                  default:
                    break;
                }

                Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() => this.beNotifyIcon.ShowBalloonTip("Error", message, Hardcodet.Wpf.TaskbarNotification.BalloonIcon.Error)));
              }
            }
            break;
          }
        }
      });
      t.SetApartmentState(ApartmentState.STA);
      t.Start();
    }