HijriCalendar.IsLeapDay(Int32, Int32, Int32, Int32) メソッド

public:
 override bool IsLeapDay(int year, int month, int day, int era);

public override bool IsLeapDay (int year, int month, int day, int era);

override this.IsLeapDay : int * int * int * int -> bool

Public Overrides Function IsLeapDay (year As Integer, month As Integer, day As Integer, era As Integer) As Boolean

パラメーター

戻り値

指定した日が閏日である場合は true。それ以外の場合は false。

例外

例

次のコード例では、 IsLeapDay 各時代 (年号) で 5 年間、2 か月目 (2 月) の最終日の メソッドを呼び出します。

using namespace System;
using namespace System::Globalization;
int main()
{
   
   // Creates and initializes a HijriCalendar.
   HijriCalendar^ myCal = gcnew HijriCalendar;
   
   // Creates a holder for the last day of the second month (February).
   int iLastDay;
   
   // Displays the header.
   Console::Write( "YEAR\t" );
   for ( int y = 1421; y <= 1425; y++ )
      Console::Write( "\t {0}", y );
   Console::WriteLine();
   
   // Checks five years in the current era.
   Console::Write( "CurrentEra:" );
   for ( int y = 1421; y <= 1425; y++ )
   {
      iLastDay = myCal->GetDaysInMonth( y, 2, HijriCalendar::CurrentEra );
      Console::Write( "\t {0}", myCal->IsLeapDay( y, 2, iLastDay, HijriCalendar::CurrentEra ) );

   }
   Console::WriteLine();
   
   // Checks five years in each of the eras.
   for ( int i = 0; i < myCal->Eras->Length; i++ )
   {
      Console::Write( "Era {0}:\t", myCal->Eras[ i ] );
      for ( int y = 1421; y <= 1425; y++ )
      {
         iLastDay = myCal->GetDaysInMonth( y, 2, myCal->Eras[ i ] );
         Console::Write( "\t {0}", myCal->IsLeapDay( y, 2, iLastDay, myCal->Eras[ i ] ) );

      }
      Console::WriteLine();

   }
}

/*
This code produces the following output.

YEAR            1421    1422    1423    1424    1425
CurrentEra:     False   False   False   False   False
Era 1:          False   False   False   False   False

*/

using System;
using System.Globalization;

public class SamplesHijriCalendar  {

   public static void Main()  {

      // Creates and initializes a HijriCalendar.
      HijriCalendar myCal = new HijriCalendar();

      // Creates a holder for the last day of the second month (February).
      int iLastDay;

      // Displays the header.
      Console.Write( "YEAR\t" );
      for ( int y = 1421; y <= 1425; y++ )
         Console.Write( "\t{0}", y );
      Console.WriteLine();

      // Checks five years in the current era.
      Console.Write( "CurrentEra:" );
      for ( int y = 1421; y <= 1425; y++ )  {
         iLastDay = myCal.GetDaysInMonth( y, 2, HijriCalendar.CurrentEra );
         Console.Write( "\t{0}", myCal.IsLeapDay( y, 2, iLastDay, HijriCalendar.CurrentEra ) );
      }
      Console.WriteLine();

      // Checks five years in each of the eras.
      for ( int i = 0; i < myCal.Eras.Length; i++ )  {
         Console.Write( "Era {0}:\t", myCal.Eras[i] );
         for ( int y = 1421; y <= 1425; y++ )  {
            iLastDay = myCal.GetDaysInMonth( y, 2, myCal.Eras[i] );
            Console.Write( "\t{0}", myCal.IsLeapDay( y, 2, iLastDay, myCal.Eras[i] ) );
         }
         Console.WriteLine();
      }
   }
}

/*
This code produces the following output.

YEAR            1421    1422    1423    1424    1425
CurrentEra:     False   False   False   False   False
Era 1:          False   False   False   False   False

*/

Imports System.Globalization

Public Class SamplesHijriCalendar   
   
   Public Shared Sub Main()

      ' Creates and initializes a HijriCalendar.
      Dim myCal As New HijriCalendar()

      ' Creates a holder for the last day of the second month (February).
      Dim iLastDay As Integer

      ' Displays the header.
      Console.Write("YEAR" + ControlChars.Tab)
      Dim y As Integer
      For y = 1421 To 1425
         Console.Write(ControlChars.Tab + "{0}", y)
      Next y
      Console.WriteLine()

      ' Checks five years in the current era.
      Console.Write("CurrentEra:")
      For y = 1421 To 1425
         iLastDay = myCal.GetDaysInMonth(y, 2, HijriCalendar.CurrentEra)
         Console.Write(ControlChars.Tab + "{0}", myCal.IsLeapDay(y, 2, iLastDay, HijriCalendar.CurrentEra))
      Next y
      Console.WriteLine()

      ' Checks five years in each of the eras.
      Dim i As Integer
      For i = 0 To myCal.Eras.Length - 1
         Console.Write("Era {0}:" + ControlChars.Tab, myCal.Eras(i))
         For y = 1421 To 1425
            iLastDay = myCal.GetDaysInMonth(y, 2, myCal.Eras(i))
            Console.Write(ControlChars.Tab + "{0}", myCal.IsLeapDay(y, 2, iLastDay, myCal.Eras(i)))
         Next y
         Console.WriteLine()
      Next i

   End Sub

End Class


'This code produces the following output.
'
'YEAR            1421    1422    1423    1424    1425
'CurrentEra:     False   False   False   False   False
'Era 1:          False   False   False   False   False

注釈

30 年ごとに、30 年で均等に割り切れる年、2 日、5 日、7 日、10 日、13 日、16 日、18 日、21 日、24 日、26 日、29 年は閏年です。 一般的な年は 354 日、閏年は 355 日です。

閏日は閏年にのみ発生する日です。 イスラム暦では、ズリヒジャの30日目は唯一の閏の日です。

適用対象

こちらもご覧ください

• CurrentEra
• HijriEra
• Eras
• GetMonthsInYear(Int32, Int32)
• GetDaysInMonth(Int32, Int32, Int32)
• IsLeapYear(Int32, Int32)
• IsLeapMonth(Int32, Int32, Int32)