public MainWindow() { InitializeComponent(); Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US"); renmas = new Renmas(this.output_image); cam_editor = new Camera_editor(renmas.camera); op_editor = new Options_editor(renmas.options); lights_editor = new LightsEditor(renmas.lights); shapes_editor = new Shapes_editor(renmas.shapes); tm_editor = new ToneMappingEditor(renmas.tone_mapping_operators); mat_editor = new MaterialEditor(renmas.materials); //this.main_grid.Children.Add(cam_editor); //this.output_image.SetValue(Grid.ColumnProperty, 1); // Expander -- StackPanel sp = new StackPanel(); Grid.SetColumn(sp, 1); Grid.SetRow(sp, 1); sp.Children.Add(cam_editor); sp.Children.Add(op_editor); sp.Children.Add(lights_editor); sp.Children.Add(shapes_editor); sp.Children.Add(mat_editor); sp.Children.Add(tm_editor); this.main_grid.Children.Add(sp); SolidColorBrush mySolidColorBrush = new SolidColorBrush(); mySolidColorBrush.Color = Color.FromArgb(255, 47, 47, 47); this.Background = mySolidColorBrush; }