public override DaylightTime GetDaylightChanges(int year)
{
if (year < 1 || year > 9999)
{
throw new ArgumentOutOfRangeException("year", Environment.GetResourceString("ArgumentOutOfRange_Range", (object)1, (object)9999));
}
object key = (object)year;
if (!this.m_CachedDaylightChanges.Contains(key))
{
lock (CurrentSystemTimeZone.InternalSyncObject)
{
if (!this.m_CachedDaylightChanges.Contains(key))
{
short[] local_3 = CurrentSystemTimeZone.nativeGetDaylightChanges(year);
if (local_3 == null)
{
this.m_CachedDaylightChanges.Add(key, (object)new DaylightTime(DateTime.MinValue, DateTime.MinValue, TimeSpan.Zero));
}
else
{
DateTime temp_65 = CurrentSystemTimeZone.GetDayOfWeek(year, (uint)local_3[0] > 0U, (int)local_3[1], (int)local_3[2], (int)local_3[3], (int)local_3[4], (int)local_3[5], (int)local_3[6], (int)local_3[7]);
DateTime local_4 = CurrentSystemTimeZone.GetDayOfWeek(year, (uint)local_3[8] > 0U, (int)local_3[9], (int)local_3[10], (int)local_3[11], (int)local_3[12], (int)local_3[13], (int)local_3[14], (int)local_3[15]);
TimeSpan local_5 = new TimeSpan((long)local_3[16] * 600000000L);
DateTime temp_102 = local_4;
TimeSpan temp_103 = local_5;
DaylightTime local_6 = new DaylightTime(temp_65, temp_102, temp_103);
this.m_CachedDaylightChanges.Add(key, (object)local_6);
}
}
}
}
return((DaylightTime)this.m_CachedDaylightChanges[key]);
}
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;
}
public override DaylightTime GetDaylightChanges(int year)
{
if (year < 1 || year > 9999)
{
throw new ArgumentOutOfRangeException("year", Environment.GetResourceString("ArgumentOutOfRange_Range", new object[]
{
1,
9999
}));
}
object key = year;
if (!this.m_CachedDaylightChanges.Contains(key))
{
object internalSyncObject = CurrentSystemTimeZone.InternalSyncObject;
lock (internalSyncObject)
{
if (!this.m_CachedDaylightChanges.Contains(key))
{
short[] array = CurrentSystemTimeZone.nativeGetDaylightChanges(year);
if (array == null)
{
this.m_CachedDaylightChanges.Add(key, new DaylightTime(DateTime.MinValue, DateTime.MinValue, TimeSpan.Zero));
}
else
{
DateTime dayOfWeek = CurrentSystemTimeZone.GetDayOfWeek(year, array[0] != 0, (int)array[1], (int)array[2], (int)array[3], (int)array[4], (int)array[5], (int)array[6], (int)array[7]);
DateTime dayOfWeek2 = CurrentSystemTimeZone.GetDayOfWeek(year, array[8] != 0, (int)array[9], (int)array[10], (int)array[11], (int)array[12], (int)array[13], (int)array[14], (int)array[15]);
TimeSpan delta = new TimeSpan((long)array[16] * 600000000L);
DaylightTime value = new DaylightTime(dayOfWeek, dayOfWeek2, delta);
this.m_CachedDaylightChanges.Add(key, value);
}
}
}
}
return((DaylightTime)this.m_CachedDaylightChanges[key]);
}
internal CurrentSystemTimeZone()
{
this.m_ticksOffset = (long)CurrentSystemTimeZone.nativeGetTimeZoneMinuteOffset() * 600000000L;
this.m_standardName = null;
this.m_daylightName = null;
}
protected sealed override DaylightTime Factory(int key) => CurrentSystemTimeZone.CreateDaylightChanges(key);
