static void Main() { Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture; CarSampleClass newCar = new CarSampleClass(SampleCarsEnumMaker.Citroen, SampleCarsEnumColor.Silver, 75); Type type = typeof(CarSampleClass); object[] allAttributes = type.GetCustomAttributes(false); foreach (VersionAttribute attr in allAttributes) { Console.WriteLine("Current version is: {0} ", attr.Version); } }