Returns the @n'th item on @toolbar, or %NULL if the toolbar does not contain an @n'th item.
A position on the toolbar
Return: The @n'th #GtkToolItem on @toolbar, or %NULL if there isn’t an @n'th item.
2.4
See Implementation
Returns the @n'th item on @toolbar, or %NULL if the toolbar does not contain an @n'th item.