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(). Since 2.4
the index of the item to insert
text of the item to insert
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(). Since 2.4