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

        long GetAbsoluteDateUmAlQura(int year, int month, int day) {
            //Caller should check the validaty of year, month and day.

            int yg=0,mg=0,dg=0;
            ConvertHijriToGregorian(year, month, day, ref yg, ref mg, ref dg);
            return GregorianCalendar.GetAbsoluteDate(yg,mg,dg);
        }

        // Token: 0x06002ED7 RID: 11991 RVA: 0x000B3DB8 File Offset: 0x000B1FB8
        internal virtual int GetDatePart(DateTime time, int part)
        {
            int  num   = 0;
            int  num2  = 0;
            int  num3  = 0;
            long ticks = time.Ticks;

            UmAlQuraCalendar.CheckTicksRange(ticks);
            UmAlQuraCalendar.ConvertGregorianToHijri(time, ref num, ref num2, ref num3);
            if (part == 0)
            {
                return(num);
            }
            if (part == 2)
            {
                return(num2);
            }
            if (part == 3)
            {
                return(num3);
            }
            if (part == 1)
            {
                return((int)(UmAlQuraCalendar.GetAbsoluteDateUmAlQura(num, num2, num3) - UmAlQuraCalendar.GetAbsoluteDateUmAlQura(num, 1, 1) + 1L));
            }
            throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_DateTimeParsing"));
        }