public override DaylightTime GetDaylightChanges(int year)
        {
            if (year < 1 || year > 9999)
            {
                throw new ArgumentOutOfRangeException("year", year + Locale.GetText(" is not in a range between 1 and 9999."));
            }
            if (year == CurrentSystemTimeZone.this_year)
            {
                return(CurrentSystemTimeZone.this_year_dlt);
            }
            Hashtable    cachedDaylightChanges = this.m_CachedDaylightChanges;
            DaylightTime result;

            lock (cachedDaylightChanges)
            {
                DaylightTime daylightTime = (DaylightTime)this.m_CachedDaylightChanges[year];
                if (daylightTime == null)
                {
                    long[]   data;
                    string[] array;
                    if (!CurrentSystemTimeZone.GetTimeZoneData(year, out data, out array))
                    {
                        throw new ArgumentException(Locale.GetText("Can't get timezone data for " + year));
                    }
                    daylightTime = this.GetDaylightTimeFromData(data);
                    this.m_CachedDaylightChanges.Add(year, daylightTime);
                }
                result = daylightTime;
            }
            return(result);
        }
        internal CurrentSystemTimeZone(long lnow)
        {
            DateTime dateTime = new DateTime(lnow);

            long[]   array;
            string[] array2;
            if (!CurrentSystemTimeZone.GetTimeZoneData(dateTime.Year, out array, out array2))
            {
                throw new NotSupportedException(Locale.GetText("Can't get timezone name."));
            }
            this.m_standardName = Locale.GetText(array2[0]);
            this.m_daylightName = Locale.GetText(array2[1]);
            this.m_ticksOffset  = array[2];
            DaylightTime daylightTimeFromData = this.GetDaylightTimeFromData(array);

            this.m_CachedDaylightChanges.Add(dateTime.Year, daylightTimeFromData);
            this.OnDeserialization(daylightTimeFromData);
        }
 private void OnDeserialization(DaylightTime dlt)
 {
     if (dlt == null)
     {
         CurrentSystemTimeZone.this_year = DateTime.Now.Year;
         long[]   data;
         string[] array;
         if (!CurrentSystemTimeZone.GetTimeZoneData(CurrentSystemTimeZone.this_year, out data, out array))
         {
             throw new ArgumentException(Locale.GetText("Can't get timezone data for " + CurrentSystemTimeZone.this_year));
         }
         dlt = this.GetDaylightTimeFromData(data);
     }
     else
     {
         CurrentSystemTimeZone.this_year = dlt.Start.Year;
     }
     this.utcOffsetWithOutDLS            = new TimeSpan(this.m_ticksOffset);
     this.utcOffsetWithDLS               = new TimeSpan(this.m_ticksOffset + dlt.Delta.Ticks);
     CurrentSystemTimeZone.this_year_dlt = dlt;
 }