示例#1
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        /// <summary>
        ///     Populates the cal time zone info.
        /// </summary>
        /// <param name="tzi">The time zone info.</param>
        /// <param name="transition">The transition.</param>
        private static void PopulateiCalTimeZoneInfo(ITimeZoneInfo tzi, TimeZoneInfo.TransitionTime transition)
        {
            var recurrence = new RecurrencePattern
            {
                Frequency = FrequencyType.Yearly
            };

            recurrence.ByMonth.Add(transition.Month);
            recurrence.ByHour.Add(transition.TimeOfDay.Hour);
            recurrence.ByMinute.Add(transition.TimeOfDay.Minute);

            if (transition.IsFixedDateRule)
            {
                recurrence.ByMonthDay.Add(transition.Day);
            }
            else
            {
                recurrence.ByDay.Add(transition.Week != 5 ? new WeekDay(transition.DayOfWeek, transition.Week) : new WeekDay(transition.DayOfWeek, -1));
            }

            tzi.RecurrenceRules.Add(recurrence);
        }
        /// <summary>
        ///     Processes the recurrence pattern.
        /// </summary>
        /// <param name="referenceDate">The reference date.</param>
        /// <returns></returns>
        private IRecurrencePattern ProcessRecurrencePattern(IDateTime referenceDate)
        {
            var r = new RecurrencePattern( );

            r.CopyFrom(Pattern);

            // Convert the UNTIL value to a local date/time based on the time zone information that
            // is in the reference date
            if (r.Until != DateTime.MinValue)
            {
                // Build an iCalDateTime with the correct time zone & calendar
                var until = new iCalDateTime(r.Until, referenceDate.TzId)
                {
                    AssociatedObject = referenceDate.AssociatedObject
                };

                // Convert back to local time so time zone comparisons match
                r.Until = until.Local;
            }

            if (r.Frequency > FrequencyType.Secondly &&
                r.BySecond.Count == 0 &&
                referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
            {
                r.BySecond.Add(referenceDate.Second);
            }
            if (r.Frequency > FrequencyType.Minutely &&
                r.ByMinute.Count == 0 &&
                referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
            {
                r.ByMinute.Add(referenceDate.Minute);
            }
            if (r.Frequency > FrequencyType.Hourly &&
                r.ByHour.Count == 0 &&
                referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
            {
                r.ByHour.Add(referenceDate.Hour);
            }

            // If BYDAY, BYYEARDAY, or BYWEEKNO is specified, then
            // we don't default BYDAY, BYMONTH or BYMONTHDAY
            if (r.ByDay.Count == 0)
            {
                // If the frequency is weekly, use the original date's day of week.
                // NOTE: fixes WeeklyCount1() and WeeklyUntil1() handling
                // If BYWEEKNO is specified and BYMONTHDAY/BYYEARDAY is not specified,
                // then let's add BYDAY to BYWEEKNO.
                // NOTE: fixes YearlyByWeekNoX() handling
                if (r.Frequency == FrequencyType.Weekly ||
                    (
                        r.ByWeekNo.Count > 0 &&
                        r.ByMonthDay.Count == 0 &&
                        r.ByYearDay.Count == 0
                    ))
                {
                    r.ByDay.Add(new WeekDay(referenceDate.DayOfWeek));
                }

                // If BYMONTHDAY is not specified,
                // default to the current day of month.
                // NOTE: fixes YearlyByMonth1() handling, added BYYEARDAY exclusion
                // to fix YearlyCountByYearDay1() handling
                if (r.Frequency > FrequencyType.Weekly &&
                    r.ByWeekNo.Count == 0 &&
                    r.ByYearDay.Count == 0 &&
                    r.ByMonthDay.Count == 0)
                {
                    r.ByMonthDay.Add(referenceDate.Day);
                }

                // If BYMONTH is not specified, default to
                // the current month.
                // NOTE: fixes YearlyCountByYearDay1() handling
                if (r.Frequency > FrequencyType.Monthly &&
                    r.ByWeekNo.Count == 0 &&
                    r.ByYearDay.Count == 0 &&
                    r.ByMonth.Count == 0)
                {
                    r.ByMonth.Add(referenceDate.Month);
                }
            }

            return(r);
        }