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

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

                if (key == ConsoleKey.DownArrow || key == ConsoleKey.UpArrow || key == ConsoleKey.Enter
                    )
                {
                    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();
        }