private static byte[] GenerateBlobFromRuleGroups(string keyName, IList <ExTimeZoneRuleGroup> groups) { O12TimeZoneFormatter.ExchangeTimeZoneHeader exchangeTimeZoneHeader = new O12TimeZoneFormatter.ExchangeTimeZoneHeader(keyName, (ushort)groups.Count); int size = exchangeTimeZoneHeader.GetSize(); int num = size + O12TimeZoneFormatter.ExchangeTimeZoneRule.Size * groups.Count; byte[] array = new byte[num]; int num2 = exchangeTimeZoneHeader.ToBytes(new ArraySegment <byte>(array, 0, size)); foreach (ExTimeZoneRuleGroup exTimeZoneRuleGroup in groups) { O12TimeZoneFormatter.TzRuleFlags flag = O12TimeZoneFormatter.TzRuleFlags.None; if (groups.Count == 1 || (exTimeZoneRuleGroup.EffectiveUtcStart <= DateTime.UtcNow && exTimeZoneRuleGroup.EffectiveUtcEnd > DateTime.UtcNow)) { flag = O12TimeZoneFormatter.TzRuleFlags.EffectiveTimeZone; } int year; if (exTimeZoneRuleGroup.EffectiveUtcStart != DateTime.MinValue) { ExTimeZoneRule ruleForUtcTime = exTimeZoneRuleGroup.GetRuleForUtcTime(exTimeZoneRuleGroup.EffectiveUtcStart); year = ruleForUtcTime.FromUtc(exTimeZoneRuleGroup.EffectiveUtcStart).Year; } else { year = exTimeZoneRuleGroup.EffectiveUtcStart.Year; } REG_TIMEZONE_INFO regInfo = TimeZoneHelper.RegTimeZoneInfoFromExTimeZoneRuleGroup(exTimeZoneRuleGroup); O12TimeZoneFormatter.ExchangeTimeZoneRule exchangeTimeZoneRule = new O12TimeZoneFormatter.ExchangeTimeZoneRule(flag, (ushort)year, regInfo); exchangeTimeZoneRule.ToBytes(new ArraySegment <byte>(array, num2, O12TimeZoneFormatter.ExchangeTimeZoneRule.Size)); num2 += O12TimeZoneFormatter.ExchangeTimeZoneRule.Size; } return(array); }
public static REG_TIMEZONE_INFO RegTimeZoneInfoFromExTimeZone(ExTimeZone timeZone, ExDateTime effectiveTime) { DateTime t = (DateTime)effectiveTime.ToUtc(); ExTimeZoneRuleGroup exTimeZoneRuleGroup = null; foreach (ExTimeZoneRuleGroup exTimeZoneRuleGroup2 in timeZone.TimeZoneInformation.Groups) { if (exTimeZoneRuleGroup == null) { exTimeZoneRuleGroup = exTimeZoneRuleGroup2; } if (exTimeZoneRuleGroup2.EffectiveUtcStart <= t && exTimeZoneRuleGroup2.EffectiveUtcEnd > t) { exTimeZoneRuleGroup = exTimeZoneRuleGroup2; break; } } if (exTimeZoneRuleGroup.Rules.Count > 2) { throw new NotImplementedException(); } return(TimeZoneHelper.RegTimeZoneInfoFromExTimeZoneRuleGroup(exTimeZoneRuleGroup)); }