private void BuildUI()
{
d_notebook = new Notebook();
d_notebook.Show();
d_notebook.BorderWidth = 6;
Label lbl;
lbl = new Label("Show");
lbl.Show();
d_notebook.AppendPage(PageAlignment(BuildShowPage()), lbl);
lbl = new Label("Colors");
lbl.Show();
d_notebook.AppendPage(PageAlignment(BuildColorsPage()), lbl);
VBox.PackStart(d_notebook, true, true, 0);
Button revert = new Button(Gtk.Stock.RevertToSaved);
revert.Show();
ActionArea.PackStart(revert, false, false, 0);
ActionArea.ReorderChild(revert, 0);
revert.TooltipText = "Revert to original settings";
revert.Clicked += delegate {
d_updating = true;
d_settings.Revert();
d_update(this, new EventArgs());
d_updating = false;
};
}