GetDaysInMonth Method (Int32, Int32, Int32)
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TaiwanCalendar.GetDaysInMonth Method (Int32, Int32, Int32)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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)

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

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.

ExceptionCondition
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.

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

The following 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 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


Windows Phone OS

Supported in: 8.1, 8.0, 7.0

Windows Phone

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