public void Start() { bool loop = true; while (loop) { Console.Clear(); Menus.Start(); var input = Console.ReadKey(true).Key; switch (input) { case ConsoleKey.D1: case ConsoleKey.NumPad1: Buy(); break; case ConsoleKey.D2: case ConsoleKey.NumPad2: printMgr.Add(); break; case ConsoleKey.D3: case ConsoleKey.NumPad3: printMgr.Delete(); break; case ConsoleKey.D4: case ConsoleKey.NumPad4: Search(); break; case ConsoleKey.D5: case ConsoleKey.NumPad5: printMgr.ShowAll(); Console.ReadKey(); break; case ConsoleKey.D6: case ConsoleKey.NumPad6: loop = false; break; } } }