Inserts an action in @completion’s action item list at position @index_ with text @text. If you want the action item to have markup, use gtk_entry_completion_insert_action_markup().
the index of the item to insert
text of the item to insert
2.4
See Implementation
Inserts an action in @completion’s action item list at position @index_ with text @text. If you want the action item to have markup, use gtk_entry_completion_insert_action_markup().