gtkmm  3.15.2
New API in gtkmm 3.16
Member Gtk::Dialog::Dialog (const Glib::ustring& title, DialogFlags flags)
Member Gtk::Dialog::Dialog (const Glib::ustring& title, Gtk::Window& parent, DialogFlags flags)
Member Gtk::POLICY_EXTERNAL
Class Gtk::StyleProperty< T >
Class Gtk::StylePropertyBase