I want to unset the active item in a combobox, but setting active_iter
to nil is giving me an assertion failure. See the attached file for some
example code. When I run this script, I get the following:
(eval): line 1
Gtk-CRITICAL **:gtk_tree_model_get_path: assertion `iter != NULL’
The Ruby-Gnome doesn’t say how to unset the active item. The GTK
documentation for gtk_combo_box_set_active_iter says:
… or unsets the active item if iter is NULL.
So I assumed that setting active_iter to nil would work in Ruby, but it
Can anyone tell me how to unset the active item for a ComboBox?