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PersianCalendar.MaxSupportedDateTime Property

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Gets the latest date and time supported by the PersianCalendar class.

Namespace:  System.Globalization
Assembly:  mscorlib (in mscorlib.dll)

Syntax

'Declaration
Public Overrides ReadOnly Property MaxSupportedDateTime As DateTime
public override DateTime MaxSupportedDateTime { get; }

Property Value

Type: System.DateTime
The latest date and time supported by the PersianCalendar class, which is equivalent to the last moment of December 31, 9999 C.E. in the Gregorian calendar.

Examples

The following example uses the MaxSupportedDateTime property.

using System;
using System.Globalization;

class Example
{
    public static void Demo(System.Windows.Controls.TextBlock outputBlock) 
    {
        //--------------------------------------------------------------------------------
        // Get today's date.
        //--------------------------------------------------------------------------------
      outputBlock.Text += "\n................. Today ...........................\n";
      PersianCalendar jc = new PersianCalendar();
      DateTime thisDate = DateTime.Now;

        // Display the current date using the Gregorian and Persian calendars.
      outputBlock.Text += "Today is:\n";
      outputBlock.Text += String.Format("   {0:dddd}, {0} in the Gregorian calendar.\n", thisDate);
      outputBlock.Text += String.Format("   {0}, {1}/{2}/{3} {4}:{5}:{6} in the Persian calendar.\n", 
                                        jc.GetDayOfWeek(thisDate), 
                                        jc.GetMonth(thisDate), 
                                        jc.GetDayOfMonth(thisDate), 
                                        jc.GetYear(thisDate), 
                                        jc.GetHour(thisDate), 
                                        jc.GetMinute(thisDate), 
                                        jc.GetSecond(thisDate));
        //--------------------------------------------------------------------------------
        // Fields
        //--------------------------------------------------------------------------------
      outputBlock.Text += "\n............... Fields .............................\n";
      outputBlock.Text += String.Format("PersianEra = {0}\n", PersianCalendar.PersianEra);
        //--------------------------------------------------------------------------------
        // Properties
        //--------------------------------------------------------------------------------
      outputBlock.Text += "\n............... Properties .........................\n";
      outputBlock.Text += "Eras:";
      foreach (int era in jc.Eras)
      {
         outputBlock.Text += String.Format(" era = {0}\n", era);
      }
        //--------------------------------------------------------------------------------
      outputBlock.Text += "\nGregorian Date Range Supported by the Persian Calendar:\n";
      outputBlock.Text += String.Format("   From {0:G}\n", jc.MinSupportedDateTime);
      outputBlock.Text += String.Format("   To {0:G}\n", jc.MaxSupportedDateTime);
        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("\nTwoDigitYearMax = {0}\n", jc.TwoDigitYearMax);
        //--------------------------------------------------------------------------------
        // Methods
        //--------------------------------------------------------------------------------
      outputBlock.Text += "\n............ Selected Methods .......................\n";

        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("GetDayOfYear: day = {0}\n", jc.GetDayOfYear(thisDate));
        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("GetDaysInMonth: days = {0}\n", 
                                        jc.GetDaysInMonth( thisDate.Year, thisDate.Month, 
                                        PersianCalendar.PersianEra));
        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("GetDaysInYear: days = {0}\n", 
                        jc.GetDaysInYear(thisDate.Year, PersianCalendar.PersianEra));
        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("GetLeapMonth: leap month (if any) = {0}\n", 
                        jc.GetLeapMonth(thisDate.Year, PersianCalendar.PersianEra));
        //-------------------------------------------------------------
      outputBlock.Text += String.Format("GetMonthsInYear: months in a year = {0}\n", 
                        jc.GetMonthsInYear(thisDate.Year, PersianCalendar.PersianEra));
        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("IsLeapDay: This is a leap day = {0}\n", 
                        jc.IsLeapDay(thisDate.Year, thisDate.Month, thisDate.Day, 
                        PersianCalendar.PersianEra));
        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("IsLeapMonth: This is a leap month = {0}\n", 
                        jc.IsLeapMonth(thisDate.Year, thisDate.Month, 
                        PersianCalendar.PersianEra));
        //--------------------------------------------------------------------------------
      outputBlock.Text += String.Format("IsLeapYear: 1370 is a leap year = {0}\n", 
                        jc.IsLeapYear(1370, PersianCalendar.PersianEra));
        //--------------------------------------------------------------------------------

        // Get the 4-digit year for a year whose last two digits are 99. The 4-digit year 
        // depends on the current value of the TwoDigitYearMax property.

      outputBlock.Text += "ToFourDigitYear:\n";
      outputBlock.Text += String.Format("  If TwoDigitYearMax = {0}, ToFourDigitYear(99) = {1}\n", 
                         jc.TwoDigitYearMax, jc.ToFourDigitYear(99));
      jc.TwoDigitYearMax = thisDate.Year;
      outputBlock.Text += String.Format("  If TwoDigitYearMax = {0}, ToFourDigitYear(99) = {1}\n", 
                        jc.TwoDigitYearMax, jc.ToFourDigitYear(99));
    }
}
/*
The example produces the following results:

................. Today ...........................

Today is Wednesday, 6/14/2006 11:31:13 AM

............... Fields .............................

PersianEra = 1

............... Properties .........................

Eras: era = 1
MaxSupportedDateTime = 12/31/9999 11:59:59 PM
MinSupportedDateTime = 3/21/0622 12:00:00 AM
TwoDigitYearMax = 1410

................ Methods ...........................

AddMonths: thisDate + 6 months = 12/15/2006 11:31:13 AM
           thisDate - 6 months = 12/15/2005 11:31:13 AM
AddYears:  thisDate + 5 years =  6/14/2011 11:31:13 AM
           thisDate - 3 years =  6/14/2003 11:31:13 AM
GetDayOfMonth: month = 24
GetDayOfWeek: day = Wednesday
GetDayOfYear: day = 86
GetDaysInMonth: days = 31
GetDaysInYear: days = 366
GetEra: era = 1
GetLeapMonth: leap month (if any) = 0
GetMonth: month = 3
GetMonthsInYear: months in a year = 12
GetYear: year = 1385
IsLeapDay: This is a leap day = False
IsLeapMonth: This is a leap month = False
IsLeapYear: 1370 is a leap year = True
ToDateTime:
  Gregorian calendar: 6/10/2006 8:30:15 PM
  Persian calendar:   3/20/1385 8:30:15 PM
ToFourDigitYear:
  If TwoDigitYearMax = 1410, ToFourDigitYear(99) = 1399
  If TwoDigitYearMax = 2006, ToFourDigitYear(99) = 1999

*/

Version Information

Silverlight

Supported in: 5

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.