gtk/combo_box.go
func (v *ComboBox) GetActive() int {
	c := C.gtk_combo_box_get_active(v.native())
	return int(c)
}
func (v *ComboBox) GetActive() int {
	c := C.gtk_combo_box_get_active(v.native())
	return int(c)
}
// GetActive() is a wrapper around gtk_combo_box_get_active().