gtk/gtk.go
func (v *Toolbar) GetIconSize() IconSize {
	c := C.gtk_toolbar_get_icon_size(v.native())
	return IconSize(c)
}
func (v *Toolbar) GetIconSize() IconSize {
	c := C.gtk_toolbar_get_icon_size(v.native())
	return IconSize(c)
}
// GetIconSize is a wrapper around gtk_toolbar_get_icon_size().