On 21-11-17 18:38, Russel Winder wrote:

I am told that there is no set_active_text method in GTK+. Clearly though gtkmm and GtkD have such a function. I believe the gtkmm function is manually constructed. Is this true of the GtkD method?

Yes, the GtkD function is also added manually:
https://github.com/gtkd-developers/GtkD/blob/master/generated/gtkd/gtk/ComboBoxText.d#L156