gtk/gtk.go
func (v *SpinButton) SetRange(min, max float64) {
	C.gtk_spin_button_set_range(v.native(), C.gdouble(min), C.gdouble(max))
}
func (v *SpinButton) SetRange(min, max float64) {
	C.gtk_spin_button_set_range(v.native(), C.gdouble(min), C.gdouble(max))
}
// SetRange is a wrapper around gtk_spin_button_set_range().