Windows.Globalization.Calendar.Clone C# (CSharp) Méthode

		public extern Calendar Clone();
		public extern void SetToMin();

        private void ShowResults_Click(object sender, RoutedEventArgs e)
        {
            // This scenario uses the Windows.Globalization.Calendar class to enumerate through a calendar and
            // perform calendar math
            StringBuilder results = new StringBuilder();

            results.AppendLine("The number of years in each era of the Japanese era calendar is not regular. " +
                               "It is determined by the length of the given imperial era:");
            results.AppendLine();

            // Create Japanese calendar.
            Calendar calendar = new Calendar(new[] { "en-US" }, CalendarIdentifiers.Japanese, ClockIdentifiers.TwentyFourHour);

            // Enumerate all supported years in all supported Japanese eras.
            for (calendar.Era = calendar.FirstEra; true; calendar.AddYears(1))
            {
                // Process current era.
                results.AppendLine("Era " + calendar.EraAsString() + " contains " + calendar.NumberOfYearsInThisEra + " year(s)");

                // Enumerate all years in this era.
                for (calendar.Year = calendar.FirstYearInThisEra; true; calendar.AddYears(1))
                {
                    // Begin sample processing of current year.

                    // Move to first day of year. Change of month can affect day so order of assignments is important.
                    calendar.Month = calendar.FirstMonthInThisYear;
                    calendar.Day   = calendar.FirstDayInThisMonth;

                    // Set time to midnight (local).
                    calendar.Period     = calendar.FirstPeriodInThisDay;  // All days have 1 or 2 periods depending on clock type
                    calendar.Hour       = calendar.FirstHourInThisPeriod; // Hours start from 12 or 0 depending on clock type
                    calendar.Minute     = 0;
                    calendar.Second     = 0;
                    calendar.Nanosecond = 0;

                    if (calendar.Year % 1000 == 0)
                    {
                        results.AppendLine();
                    }
                    else if (calendar.Year % 10 == 0)
                    {
                        results.Append(".");
                    }

                    // End sample processing of current year.

                    // Break after processing last year.
                    if (calendar.Year == calendar.LastYearInThisEra)
                    {
                        break;
                    }
                }
                results.AppendLine();

                // Break after processing last era.
                if (calendar.Era == calendar.LastEra)
                {
                    break;
                }
            }
            results.AppendLine();

            // This section shows enumeration through the hours in a day to demonstrate that the number of time units in a given period (hours in a day, minutes in an hour, etc.)
            // should not be regarded as fixed. With Daylight Saving Time and other local calendar adjustments, a given day may have not have 24 hours, and
            // a given hour may not have 60 minutes, etc.
            results.AppendLine("The number of hours in a day is not constant. " +
                               "The US calendar transitions from daylight saving time to standard time on 4 November 2012:\n");

            // Create a DateTimeFormatter to display dates
            DateTimeFormatter displayDate = new DateTimeFormatter("longdate");

            // Create a gregorian calendar for the US with 12-hour clock format
            Calendar currentCal = new Windows.Globalization.Calendar(new string[] { "en-US" }, CalendarIdentifiers.Gregorian, ClockIdentifiers.TwentyFourHour, "America/Los_Angeles");

            // Set the calendar to a the date of the Daylight Saving Time-to-Standard Time transition for the US in 2012.
            // DST ends in the America/Los_Angeles time zone at 4 November 2012 02:00 PDT = 4 November 2012 09:00 UTC.
            DateTime dstDate = new DateTime(2012, 11, 4, 9, 0, 0, DateTimeKind.Utc);

            currentCal.SetDateTime(dstDate);

            // Set the current calendar to one day before DST change. Create a second calendar for comparision and set it to one day after DST change.
            Calendar endDate = currentCal.Clone();

            currentCal.AddDays(-1);
            endDate.AddDays(1);

            // Enumerate the day before, the day of, and the day after the 2012 DST-to-Standard time transition
            while (currentCal.Day <= endDate.Day)
            {
                // Process current day.
                DateTimeOffset date = currentCal.GetDateTime();
                results.AppendFormat("{0} contains {1} hour(s)\n", displayDate.Format(date), currentCal.NumberOfHoursInThisPeriod);

                // Enumerate all hours in this day.
                // Create a calendar to represent the following day.
                Calendar nextDay = currentCal.Clone();
                nextDay.AddDays(1);
                for (currentCal.Hour = currentCal.FirstHourInThisPeriod; true; currentCal.AddHours(1))
                {
                    // Display the hour for each hour in the day.
                    results.AppendFormat("{0} ", currentCal.HourAsPaddedString(2));

                    // Break upon reaching the next period (i.e. the first period in the following day).
                    if (currentCal.Day == nextDay.Day && currentCal.Period == nextDay.Period)
                    {
                        break;
                    }
                }
                results.AppendLine();
            }

            // Display results
            OutputTextBlock.Text = results.ToString();
        }