add_buttons
Description:
public void add_buttons (...)
Adds multiple buttons.
This is the same as calling [method@Gtk.InfoBar.add_button] repeatedly. The variable argument list should be null -terminated as with [ctor@Gtk.InfoBar.new_with_buttons]. Each button must have both text and response ID.
Parameters:
| this |
a `GtkInfoBar` |
| ... |
response ID for first button, then more text-response_id pairs, ending with null |
| first_button_text |
button text |