public void AddTab(string loc) {
var g = new TabListEditorItem(loc);
g.TitleColumnWidth = NameCol.Width;
g.Width = this.Width;
g.VerticalAlignment = System.Windows.VerticalAlignment.Top;
g.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
g.DeleteRequested += new RoutedEventHandler(g_DeleteRequested);
stackPanel1.Children.Add(g);
}