Calendar.GetDaysInMonth Method (Int32, Int32, Int32)

When overridden in a derived class, returns the number of days in the specified month, year, and era.

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

Syntax

'Declaration
Public MustOverride Function GetDaysInMonth ( _
    year As Integer, _
    month As Integer, _
    era As Integer _
) As Integer
public abstract int GetDaysInMonth(
    int year,
    int month,
    int era
)

Parameters

  • year
    Type: System.Int32
    An integer that represents the year.
  • month
    Type: System.Int32
    A positive integer 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, in GregorianCalendar, GetDaysInMonth for February returns 28 in a common year or 29 in a leap year.

Notes to Inheritors

The derived class must support CurrentEra when it is passed as the era parameter. One way to support CurrentEra is by replacing it with the value stored in Eras[0], which is the value for the current era of the calendar.

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.