Artikel
11/18/2011

HebrewCalendar.GetDaysInMonth Method (Int32, Int32, Int32)

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Updated: October 2010

Returns the number of days in the specified month in the specified year in the specified era.

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

Syntax

'Declaration
Public Overrides Function GetDaysInMonth ( _
    year As Integer, _
    month As Integer, _
    era As Integer _
) As Integer

public override int GetDaysInMonth(
    int year,
    int month,
    int era
)

Parameters

year
Type: System.Int32
An integer that represents the year.

month
Type: System.Int32
An integer from 1 to 13 that represents the month.

era
Type: System.Int32
An integer that represents the era. Specify Calendar.Eras[Calendar.CurrentEra].

Return Value

Type: System.Int32
The number of days in the specified month in the specified year in the specified era.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	year, month, or era is outside the range supported by the current HebrewCalendar object.

Remarks

For example, this method returns 29 or 30 for Cheshvan, depending on the placement of Jewish holidays.

This implementation of the HebrewCalendar class recognizes only the Hebrew years 5343 to 5999 (1583 to 2239 in the Gregorian calendar).

Examples

The following code example calls GetDaysInMonth for the second month in each of five years in each era.

Imports System.Globalization

Public Class Example
   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      ' Creates and initializes a HebrewCalendar.
      Dim myCal As New HebrewCalendar()

      ' Displays the header.
      outputBlock.Text &= "YEAR" + ControlChars.Tab
      Dim y As Integer
      For y = 5761 To 5765
         outputBlock.Text += String.Format(ControlChars.Tab + "{0}", y)
      Next 
      outputBlock.Text &= vbCrLf

      ' Displays the value of the CurrentEra property.
      outputBlock.Text &= "CurrentEra:"
      For y = 5761 To 5765
         outputBlock.Text += String.Format(ControlChars.Tab + "{0}", myCal.GetDaysInMonth(y, 2, HebrewCalendar.CurrentEra))
      Next 
      outputBlock.Text &= vbCrLf

      ' Displays the values in the Eras property.
      Dim i As Integer
      For i = 0 To myCal.Eras.Length - 1
         outputBlock.Text += String.Format("Era {0}:" + ControlChars.Tab, myCal.Eras(i))
         For y = 5761 To 5765
            outputBlock.Text += String.Format(ControlChars.Tab + "{0}", myCal.GetDaysInMonth(y, 2, myCal.Eras(i)))
         Next y
         outputBlock.Text &= vbCrLf
      Next i
   End Sub 
End Class
' This code produces the following output.
'       YEAR            5761    5762    5763    5764    5765
'       CurrentEra:     29      29      30      30      29
'       Era 1:          29      29      30      30      29

using System;
using System.Globalization;


public class Example
{

   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {

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

      // Displays the header.
      outputBlock.Text += "YEAR\t";
      for (int y = 5761; y <= 5765; y++)
         outputBlock.Text += String.Format("\t{0}", y);
      outputBlock.Text += "\n";

      // Displays the value of the CurrentEra property.
      outputBlock.Text += "CurrentEra:";
      for (int y = 5761; y <= 5765; y++)
         outputBlock.Text += String.Format("\t{0}", myCal.GetDaysInMonth(y, 2, HebrewCalendar.CurrentEra));
      outputBlock.Text += "\n";

      // Displays the values in the Eras property.
      for (int i = 0; i < myCal.Eras.Length; i++)
      {
         outputBlock.Text += String.Format("Era {0}:\t", myCal.Eras[i]);
         for (int y = 5761; y <= 5765; y++)
            outputBlock.Text += String.Format("\t{0}", myCal.GetDaysInMonth(y, 2, myCal.Eras[i]));
         outputBlock.Text += "\n";
      }

   }

}

/*
This code produces the following output.

YEAR            5761    5762    5763    5764    5765
CurrentEra:     29      29      30      30      29
Era 1:          29      29      30      30      29

*/

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

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

Change History

Date	History	Reason
October 2010	Corrected information about the Calendar.CurrentEra field.	Content bug fix.

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