System.Globalization.HijriCalendar.ToFourDigitYear C# (CSharp) Method

        public override int ToFourDigitYear(int year) {
            if (year < 100) {
                return (base.ToFourDigitYear(year));
            }

            if (year > MaxCalendarYear) {
                throw new ArgumentOutOfRangeException(
                            "year",
                            String.Format(
                                CultureInfo.CurrentCulture,
                                Environment.GetResourceString("ArgumentOutOfRange_Range"),
                                1,
                                MaxCalendarYear));
            }
            return (year);
        }

 // Convert a two-digit year value into a four-digit year value.
 public override int ToFourDigitYear(int year)
 {
     return(hijri.ToFourDigitYear(year));
 }