foreach (DockPane Pane in FrameworkApplication.DockPaneManager.DockPanes) { MessageBox.Show(Pane.Caption+":"+Pane.TabText+":"+Pane.Tooltip+":"+Pane.TooltipHeading+":"); } var dockPane = FrameworkApplication.DockPaneManager.Find("esri_core_projectDockPane"); dockPane.Hide();