public void Subscription(CarFactory carFactory) { if (_carFactories.Contains(carFactory)) { throw new Exception("You already have a subscription to this company !"); } AddCarCompany(carFactory); carFactory.AddClient(this); }
public void Subscription(CarFactory carFactory) { if (_carFactory.Contains(carFactory)) { throw new Exception("Already subscribe !"); } AddCarCompany(carFactory); carFactory.AddClient(this); }