public SqlBuilderUI() { Window win = new Window("SQL Builder"); win.Show(); win.BorderWidth = 10; win.Resizable = false; VBox box = new VBox(); box.Show(); win.Add(box); box.Spacing = 10; model = new TracksQueryModel(); builder = new QueryBuilder(model); builder.Show(); builder.Spacing = 4; box.PackStart(builder, true, true, 0); Button btn = new Button("Generate Query"); btn.Show(); box.PackStart(btn, false, false, 0); btn.Clicked += OnButtonClicked; }