static void Main(string[] args)
        {
            var breakLoop = false;

            while (!breakLoop)
            {
                var key = Console.ReadKey().Key;

                switch (key)
                {
                    case ConsoleKey.DownArrow:
                        Console.WriteLine("DownArrow Key was pressed.");
                        break;
                    case ConsoleKey.UpArrow:
                        Console.WriteLine("UpArrow Key was pressed.");
                        break;
                    case ConsoleKey.Enter:
                        Console.WriteLine("Enter Key was pressed.");
                        breakLoop = true;
                        break;
                }
            }

            Console.Read();
        }