protected override void ProcessingStarted() { _running = true; //RunPositionThread(); var states = Parent.SaveState(); _stateBag.Add(new StateEntry(_reader.Position, states)); if (NodeSystemSettings.Instance.SystemHost.DockPanelInstance != null) { _seekWindow.Show((WeifenLuo.WinFormsUI.Docking.DockPanel)NodeSystemSettings.Instance.SystemHost.DockPanelInstance, WeifenLuo.WinFormsUI.Docking.DockState.DockBottom); _seekWindow.CloseButtonVisible = false; _seekWindow.ValueChanged += seekWindow_ValueChanged; } }