public MainForm() { InitializeComponent(); _dockPanel = new DockPanel(); _dockPanel.Dock = DockStyle.Fill; _dockPanel.DocumentStyle = DocumentStyle.DockingMdi; Controls.Add(_dockPanel); _outlineView = new TutorialOutlineView(this); _outputView = new OutputView(this); _webBrowserView = new WebBrowserView(); _webBrowserView.External = this; _exampleRunner = new ExampleRunner(); }