- Combo : Gtk::ComboDropDown
- Gtk::Notebook_Helpers::Page : Gtk::Notebook_Helpers::PageIterator
- Gtk::RadioAction : Gtk::RadioButtonGroup
- Gtk::RadioButton : Gtk::RadioButtonGroup
- Gtk::RadioMenuItem : Gtk::RadioButtonGroup
- Gtk::RadioToolButton : Gtk::RadioButtonGroup
- Gtk::TreeIter : Gtk::TreeModel
- Gtk::TreeModelColumnRecord : Gtk::TreeModelColumnBase
- Gtk::TreeModelSort : Gtk::TreeModel
- Gtk::TreeRow : Gtk::TreeModel
- HScrollbar : Gtk::Adjustment
- Main : Gtk::Widget
- Menu_Helpers::Element : Gtk::MenuItem
- Menu_Helpers::MenuList : Gtk::MenuShell
- PageList : Gtk::Notebook_Helpers::Element
- Range : Gtk::Adjustment
- VScrollbar : Gtk::Adjustment