public override void FillProcess()
        {
            Console.Write("Screen size: ");
            ScreenSize = Convert.ToSingle(Console.ReadLine());

            Console.Write("OS: ");
            OS = Enum.Parse <OperationSystems>(Console.ReadLine());

            Console.Write("Camera (pixels): ");
            CameraPixels = Convert.ToSingle(Console.ReadLine());

            base.FillProcess();
        }
 public Smartphone(string name, float price, int id, float screenSize, OperationSystems os, float cameraPixels) : base(name, price, id)
 {
     ScreenSize   = screenSize;
     OS           = os;
     CameraPixels = cameraPixels;
 }