GenericWindow.CreateComboCheckBoxes C# (CSharp) Method

    public void CreateComboCheckBoxes()
    {
        if(hbox_combo_all_none_selected.Children.Length > 0)
            hbox_combo_all_none_selected.Remove(combo_all_none_selected);

        combo_all_none_selected = ComboBox.NewText ();
        UtilGtk.ComboUpdate(combo_all_none_selected, comboCheckBoxesOptions, "");

        //combo_all_none_selected.DisableActivate ();
        combo_all_none_selected.Changed += new EventHandler (on_combo_all_none_selected_changed);

        hbox_combo_all_none_selected.PackStart(combo_all_none_selected, true, true, 0);
        hbox_combo_all_none_selected.ShowAll();
        combo_all_none_selected.Sensitive = true;

        combo_all_none_selected.Active =
            UtilGtk.ComboMakeActive(comboCheckBoxesOptions, Catalog.GetString("Selected"));
    }