AdjustTimeZoneToLocal()

static bool System.DateTimeParse.AdjustTimeZoneToLocal ( ref DateTimeResult result, bool bTimeOnly )

inlinestaticprivate

Definition at line 2551 of file DateTimeParse.cs.

    {
        long ticks = result.parsedDate.Ticks;
        TimeZoneInfo local = TimeZoneInfo.Local;
        bool isAmbiguousLocalDst = false;
        if (ticks < 864000000000L)
        {
            ticks -= result.timeZoneOffset.Ticks;
            ticks += local.GetUtcOffset(bTimeOnly ? DateTime.Now : result.parsedDate, TimeZoneInfoOptions.NoThrowOnInvalidTime).Ticks;
            if (ticks < 0)
            {
                ticks += 864000000000L;
            }
        }
        else
        {
            ticks -= result.timeZoneOffset.Ticks;
            if (ticks < 0 || ticks > 3155378975999999999L)
            {
                ticks += local.GetUtcOffset(result.parsedDate, TimeZoneInfoOptions.NoThrowOnInvalidTime).Ticks;
            }
            else
            {
                DateTime time = new DateTime(ticks, DateTimeKind.Utc);
                ticks += TimeZoneInfo.GetUtcOffsetFromUtc(time, TimeZoneInfo.Local, out var _, out isAmbiguousLocalDst).Ticks;
            }
        }
        if (ticks < 0 || ticks > 3155378975999999999L)
        {
            result.parsedDate = DateTime.MinValue;
            result.SetFailure(ParseFailureKind.FormatWithOriginalDateTime, "Format_DateOutOfRange");
            return false;
        }
        result.parsedDate = new DateTime(ticks, DateTimeKind.Local, isAmbiguousLocalDst);
        return true;
    }

References System.DateTime, System.TimeZoneInfo.GetUtcOffset(), System.TimeZoneInfo.GetUtcOffsetFromUtc(), System.L, System.TimeZoneInfo.Local, System.DateTime.MinValue, System.DateTime.Now, and System.TimeSpan.Ticks.

Referenced by System.DateTimeParse.DetermineTimeZoneAdjustments().