gtk/button_box.go
func ButtonBoxNew(o Orientation) (*ButtonBox, error) {
	c := C.gtk_button_box_new(C.GtkOrientation(o))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapButtonBox(obj), nil
}
func ButtonBoxNew(o Orientation) (*ButtonBox, error) {
	c := C.gtk_button_box_new(C.GtkOrientation(o))
	if c == nil {
		return nil, nilPtrErr
	}
	obj := glib.Take(unsafe.Pointer(c))
	return wrapButtonBox(obj), nil
}
// ButtonBoxNew is a wrapper around gtk_button_box_new().