GregorianCalendar.GetDaysInMonth Method (Int32, Int32, Int32)

Parameters

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

• month
  Type: System.Int32
  An integer from 1 to 12 that represents the month.

• era
  Type: System.Int32
  An integer that represents the era.

Return Value

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

Imports System.Globalization

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

      ' Displays the header.
      outputBlock.Text &= "YEAR" + ControlChars.Tab
      Dim y As Integer
      For y = 2001 To 2005
         outputBlock.Text += String.Format(vbTab + "{0}", y)
      Next y
      outputBlock.Text &= vbCrLf

      ' Displays the value of the CurrentEra property.
      outputBlock.Text &= "CurrentEra:"
      For y = 2001 To 2005
         outputBlock.Text += String.Format(ControlChars.Tab + "{0}", _
                             myCal.GetDaysInMonth(y, 2, GregorianCalendar.CurrentEra))
      Next y
      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 = 2001 To 2005
            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 example produces the following output.
'       YEAR            2001    2002    2003    2004    2005
'       CurrentEra:     28      28      28      29      28
'       Era 1:          28      28      28      29      28

using System;
using System.Globalization;


public class Example
{

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

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

      // Displays the header.
      outputBlock.Text += "YEAR\t";
      for (int y = 2001; y <= 2005; y++)
         outputBlock.Text += String.Format("\t{0}", y);
      outputBlock.Text += "\n";

      // Displays the value of the CurrentEra property.
      outputBlock.Text += "CurrentEra:";
      for (int y = 2001; y <= 2005; y++)
         outputBlock.Text += String.Format("\t{0}", myCal.GetDaysInMonth(y, 2, GregorianCalendar.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 = 2001; y <= 2005; y++)
            outputBlock.Text += String.Format("\t{0}", myCal.GetDaysInMonth(y, 2, myCal.Eras[i]));
         outputBlock.Text += "\n";
      }

   }

}

/*
This code produces the following output.

YEAR            2001    2002    2003    2004    2005
CurrentEra:     28      28      28      29      28
Era 1:          28      28      28      29      28

*/