AddMonths()

override DateTime System.Globalization.UmAlQuraCalendar.AddMonths ( DateTime time, int months )

inline

Definition at line 247 of file UmAlQuraCalendar.cs.

    {
        if (months < -120000 || months > 120000)
        {
            throw new ArgumentOutOfRangeException("months", months, SR.Format(SR.ArgumentOutOfRange_Range, -120000, 120000));
        }
        int datePart = GetDatePart(time, 0);
        int datePart2 = GetDatePart(time, 2);
        int num = GetDatePart(time, 3);
        int num2 = datePart2 - 1 + months;
        if (num2 >= 0)
        {
            datePart2 = num2 % 12 + 1;
            datePart += num2 / 12;
        }
        else
        {
            datePart2 = 12 + (num2 + 1) % 12;
            datePart += (num2 - 11) / 12;
        }
        if (num > 29)
        {
            int daysInMonth = GetDaysInMonth(datePart, datePart2);
            if (num > daysInMonth)
            {
                num = daysInMonth;
            }
        }
        CheckYearRange(datePart, 1);
        DateTime result = new DateTime(GetAbsoluteDateUmAlQura(datePart, datePart2, num) * 864000000000L + time.Ticks % 864000000000L);
        Calendar.CheckAddResult(result.Ticks, MinSupportedDateTime, MaxSupportedDateTime);
        return result;
    }

References System.SR.ArgumentOutOfRange_Range, System.Globalization.Calendar.CheckAddResult(), System.Globalization.UmAlQuraCalendar.CheckYearRange(), System.DateTime, System.SR.Format(), System.Globalization.UmAlQuraCalendar.GetAbsoluteDateUmAlQura(), System.Globalization.UmAlQuraCalendar.GetDatePart(), System.Globalization.UmAlQuraCalendar.GetDaysInMonth(), System.L, System.Globalization.UmAlQuraCalendar.MaxSupportedDateTime, System.Globalization.UmAlQuraCalendar.MinSupportedDateTime, and System.DateTime.Ticks.

Referenced by System.Globalization.UmAlQuraCalendar.AddYears().