Inserts text at position in the list of strings stored in combo_box.
If position is negative then text is appended.
This is the same as calling gtk.combo_box_text.ComboBoxText.insert with a null ID string.
An index to insert text
A string
Inserts text at position in the list of strings stored in combo_box.
If position is negative then text is appended.
This is the same as calling gtk.combo_box_text.ComboBoxText.insert with a null ID string.