decorator-use.cs

static void Main(string[] args)
{
    Car car = new SmallCar();
    Console.WriteLine($"Price of car {car.GetName()} : " + car.CarPrice());

    var car1 = new Sunroof(car);
    Console.WriteLine($"Price of car {car1.GetName()} : " + car1.CarPrice());

    var car2 = new AdvanceMusic(car);
    Console.WriteLine($"Price of car {car2.GetName()} : " + car2.CarPrice());
}