public LargeTimeSpan(DateTime begin, DateTime end)
{
Begin = begin;
End = end;
MonthCount = MotorUtility.MonthCountBetween(begin, end);
YearCount = MonthCount / 12 /* months in year */;
WeekCount = MotorUtility.WeekCountBetween(begin, end);
}
static void ShowMonthsBetween(DateTime datetimeBegin, DateTime datetimeEnd)
{
Console.WriteLine("Months between {0} and {1} is {2}", datetimeBegin.ToString(), datetimeEnd.ToString(), MotorUtility.MonthCountBetween(datetimeBegin, datetimeEnd));
}