can i ask if this is wpf multi tabbing?

        private void NewTab()
        {
            TabItem tabItem = new TabItem
            {
                Header = "Script " + (this.ExecutorTabs.Items.Count + 1).ToString()
            };
            TextEditor textEditor = new TextEditor
            {
                Background = new SolidColorBrush(System.Windows.Media.Color.FromRgb(20, 20, 20)),
                FontFamily = new System.Windows.Media.FontFamily("Consolas"),
                FontSize = 14.0,
                Foreground = new SolidColorBrush(System.Windows.Media.Color.FromRgb(204, 204, 204)),
                HorizontalScrollBarVisibility = ScrollBarVisibility.Auto,
                LineNumbersForeground = new SolidColorBrush(System.Windows.Media.Color.FromRgb(204, 204, 204)),
                ShowLineNumbers = true,
                VerticalScrollBarVisibility = ScrollBarVisibility.Auto,
                SyntaxHighlighting = HighlightingLoader.Load(new XmlTextReader(File.OpenRead("bin/lua_highlighting.xshd")), HighlightingManager.Instance)
            };
            textEditor.Options.EnableHyperlinks = false;
            textEditor.Options.EnableEmailHyperlinks = false;
            tabItem.Content = textEditor;
            System.Windows.Controls.MenuItem menuItem = new System.Windows.Controls.MenuItem
            {
                Header = "Upload To Pastebin"
            };
            menuItem.Click += this.UploadPaste_Click;
            tabItem.ContextMenu = new System.Windows.Controls.ContextMenu();
            tabItem.ContextMenu.Items.Add(menuItem);
            this.ExecutorTabs.Items.Add(tabItem);
            this.ExecutorTabs.SelectedItem = tabItem;
            this.AddTab.Margin = new Thickness((double)(10 + 84 * this.ExecutorTabs.Items.Count), 10.0, 0.0, 0.0);
        }