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TaiwanCalendar.GetDaysInMonth Method (Int32, Int32, Int32)

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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 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.

Exceptions

Exception Condition
ArgumentOutOfRangeException

year is outside the range supported by the calendar.

-or-

month is outside the range supported by the calendar.

-or-

era is outside the range supported by the calendar.

Remarks

For example, this method returns 28 or 29 for February (month = 2), depending on whether year is a leap year.

Examples

The following code example calls the GetDaysInMonth method 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 TaiwanCalendar.
      Dim myCal As New TaiwanCalendar()

      ' Displays the header.
      outputBlock.Text &= "YEAR" + ControlChars.Tab
      Dim y As Integer
      For y = 90 To 94
         outputBlock.Text += String.Format(ControlChars.Tab + "{0}", y)
      Next 
      outputBlock.Text &= vbCrLf

      ' Displays the value of the CurrentEra property.
      outputBlock.Text &= "CurrentEra:"
      For y = 90 To 94
         outputBlock.Text += String.Format(ControlChars.Tab + "{0}", myCal.GetDaysInMonth(y, 2, TaiwanCalendar.CurrentEra))
      Next 
      outputBlock.Text &= vbCrLf

      ' Displays the values in the Eras property.
      For i As Integer = 0 To myCal.Eras.Length - 1
         outputBlock.Text += String.Format("Era {0}:" + ControlChars.Tab, myCal.Eras(i))
         For y = 90 To 94
            outputBlock.Text += String.Format(ControlChars.Tab + "{0}", myCal.GetDaysInMonth(y, 2, myCal.Eras(i)))
         Next 
         outputBlock.Text &= vbCrLf
      Next 
   End Sub  
End Class 
' This example produces the following output.
'       YEAR            90      91      92      93      94
'       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 TaiwanCalendar.
      TaiwanCalendar myCal = new TaiwanCalendar();

      // Displays the header.
      outputBlock.Text += "YEAR\t";
      for (int y = 90; y <= 94; y++)
         outputBlock.Text += String.Format("\t{0}", y);
      outputBlock.Text += "\n";

      // Displays the value of the CurrentEra property.
      outputBlock.Text += "CurrentEra:";
      for (int y = 90; y <= 94; y++)
         outputBlock.Text += String.Format("\t{0}", myCal.GetDaysInMonth(y, 2, TaiwanCalendar.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 = 90; y <= 94; y++)
            outputBlock.Text += String.Format("\t{0}", myCal.GetDaysInMonth(y, 2, myCal.Eras[i]));
         outputBlock.Text += "\n";
      }

   }

}

/*
This code produces the following output.

YEAR            90      91      92      93      94
CurrentEra:     28      28      28      29      28
Era 1:          28      28      28      29      28

*/

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: 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.