gtk/gtk.go
func (v *Toolbar) GetNItems() int {
	c := C.gtk_toolbar_get_n_items(v.native())
	return int(c)
}
func (v *Toolbar) GetNItems() int {
	c := C.gtk_toolbar_get_n_items(v.native())
	return int(c)
}
// GetNItems is a wrapper around gtk_toolbar_get_n_items().