Insert a #GtkToolItem into the toolbar at position pos. If pos is 0 the item is prepended to the start of the toolbar. If pos is negative, the item is appended to the end of the toolbar.
a #GtkToolItem
the position of the new item
Insert a #GtkToolItem into the toolbar at position pos. If pos is 0 the item is prepended to the start of the toolbar. If pos is negative, the item is appended to the end of the toolbar.