Ah... sorry about that (again!!).
Apparently, the "append" member function was only added to Gtk::ComboBoxText in gtkmm-2.24. I'll try to get a conditional build written this evening.
Ah... sorry about that (again!!).
Apparently, the "append" member function was only added to Gtk::ComboBoxText in gtkmm-2.24. I'll try to get a conditional build written this evening.