CreateDaylightChanges()

static DaylightTime System.CurrentSystemTimeZone.CreateDaylightChanges ( int year )

inlinestaticprivate

Definition at line 92 of file CurrentSystemTimeZone.cs.

    {
        DateTime start = DateTime.MinValue;
        DateTime end = DateTime.MinValue;
        TimeSpan delta = TimeSpan.Zero;
        if (TimeZoneInfo.Local.SupportsDaylightSavingTime)
        {
            TimeZoneInfo.AdjustmentRule[] adjustmentRules = TimeZoneInfo.Local.GetAdjustmentRules();
            foreach (TimeZoneInfo.AdjustmentRule adjustmentRule in adjustmentRules)
            {
                if (adjustmentRule.DateStart.Year <= year && adjustmentRule.DateEnd.Year >= year && adjustmentRule.DaylightDelta != TimeSpan.Zero)
                {
                    start = TimeZoneInfo.TransitionTimeToDateTime(year, adjustmentRule.DaylightTransitionStart);
                    end = TimeZoneInfo.TransitionTimeToDateTime(year, adjustmentRule.DaylightTransitionEnd);
                    delta = adjustmentRule.DaylightDelta;
                    break;
                }
            }
        }
        return new DaylightTime(start, end, delta);
    }

References System.TimeZoneInfo.Local, System.DateTime.MinValue, System.start, System.TimeZoneInfo.TransitionTimeToDateTime(), System.year, and System.TimeSpan.Zero.

Referenced by System.CurrentSystemTimeZone.GetCachedDaylightChanges().