public static void Main() { var task = new TaskList(); while (true) { UI.Header(); Console.WriteLine(UI.xst + "1.New Task." + UI.xst + "4.Delete Task.\n"); Console.WriteLine(UI.xst + "2.View All." + UI.xst + "5.Sort.\n"); Console.WriteLine(UI.xst + "3.Update Task." + UI.xst + "6.Exit"); UI.Footer(); Console.Write(UI.xst + "Enter your option: "); string option = Console.ReadLine(); switch (option) { case "1": task.CreateTask(); break; case "2": task.DisplayList(); break; case "3": task.UpdateTask(); break; case "4": task.DeleteTask(); break; case "5": task.SortList(); break; case "6": Environment.Exit(0); break; default: UI.Message("Invalid option!"); break; } } }