System.Globalization.UmAlQuraCalendar.GetDatePart C# (CSharp) Method

        internal virtual int GetDatePart(DateTime time, int part) {
            int UmAlQuraYear=0;              // UmAlQura year
            int UmAlQuraMonth=0;             // UmAlQura month
            int UmAlQuraDay=0;               // UmAlQura day
            long ticks = time.Ticks;
            CheckTicksRange(ticks);

            ConvertGregorianToHijri(time, ref UmAlQuraYear, ref UmAlQuraMonth, ref UmAlQuraDay);

            if (part == DatePartYear)
                return (UmAlQuraYear);

            if (part == DatePartMonth)
                return (UmAlQuraMonth);

            if (part == DatePartDay)
                return (UmAlQuraDay);

            if (part == DatePartDayOfYear)
                return (int)(GetAbsoluteDateUmAlQura(UmAlQuraYear, UmAlQuraMonth, UmAlQuraDay) - GetAbsoluteDateUmAlQura(UmAlQuraYear, 1, 1) + 1);

            // Incorrect part value.
            throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_DateTimeParsing"));
        }