private static void SetTime(Pebble pebble) { Console.WriteLine("Enter time <current>:"); var time = Console.ReadLine(); if (String.IsNullOrEmpty(time)) { pebble.SetTime(DateTime.Now); } else { DateTime result; if (DateTime.TryParse(time, out result)) { pebble.SetTime(result); } else { Console.WriteLine("invalid time"); } } }