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PersianCalendar.IsLeapMonth Method (Int32, Int32, Int32)

Determines whether the specified month in the specified year and era is a leap month.

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

public override bool IsLeapMonth(
	int year,
	int month,
	int era
)

Parameters

year
Type: System.Int32

An integer from 1 through 9378 that represents the year.

month
Type: System.Int32

An integer that represents the month and ranges from 1 through 12 if year is not 9378, or 1 through 10 if year is 9378.

era
Type: System.Int32

An integer from 0 through 1 that represents the era.

Return Value

Type: System.Boolean
Always returns false because the PersianCalendar class does not support the notion of a leap month.

ExceptionCondition
ArgumentOutOfRangeException

year, month, or era is outside the range supported by this calendar.

The following code example demonstrates the field, property, and method members of the PersianCalendar class.

// This example demonstrates the members of the PersianCalendar class. 

using System;
using System.Globalization;

class Sample 
{
    public static void Main() 
    {
		//-------------------------------------------------------------------------------- 
		// Get today's date. 
		//--------------------------------------------------------------------------------
      Console.WriteLine("\n................. Today ...........................\n");
      PersianCalendar jc = new PersianCalendar();
      DateTime thisDate = DateTime.Now;

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

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

      Console.WriteLine("ToFourDigitYear:");
      Console.WriteLine("  If TwoDigitYearMax = {0}, ToFourDigitYear(99) = {1}", 
                         jc.TwoDigitYearMax, jc.ToFourDigitYear(99));
      jc.TwoDigitYearMax = thisDate.Year;
      Console.WriteLine("  If TwoDigitYearMax = {0}, ToFourDigitYear(99) = {1}", 
                        jc.TwoDigitYearMax, jc.ToFourDigitYear(99));
    }
}
// The example displays the following output: 
//       ................. Today ........................... 
//        
//       Today is: 
//          Tuesday, 3/20/2012 7:54:00 AM in the Gregorian calendar. 
//          Tuesday, 1/1/1391 7:54:0 in the Persian calendar. 
//        
//       ............... Fields ............................. 
//        
//       PersianEra = 1 
//        
//       ............... Properties ......................... 
//        
//       Eras: era = 1 
//        
//       Gregorian Date Range Supported by the Persian Calendar: 
//          From 3/21/0622 12:00:00 AM 
//          To 12/31/9999 11:59:59 PM 
//        
//       TwoDigitYearMax = 99 
//        
//       ............ Selected Methods ....................... 
//        
//       GetDayOfYear: day = 1 
//       GetDaysInMonth: days = 31 
//       GetDaysInYear: days = 365 
//       GetLeapMonth: leap month (if any) = 0 
//       GetMonthsInYear: months in a year = 12 
//       IsLeapDay: This is a leap day = False 
//       IsLeapMonth: This is a leap month = False 
//       IsLeapYear: 1370 is a leap year = True 
//       ToFourDigitYear: 
//         If TwoDigitYearMax = 99, ToFourDigitYear(99) = 99 
//         If TwoDigitYearMax = 2012, ToFourDigitYear(99) = 1999

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0

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