IsLeapYear Method (Int32, Int32)
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Calendar.IsLeapYear Method (Int32, Int32)

 

When overridden in a derived class, determines whether the specified year in the specified era is a leap year.

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

abstract IsLeapYear : 
        year:int *
        era:int -> bool

Parameters

year
Type: System.Int32

An integer that represents the year.

era
Type: System.Int32

An integer that represents the era.

Return Value

Type: System.Boolean

true if the specified year is a leap year; otherwise, false.

Exception Condition
ArgumentOutOfRangeException

year is outside the range supported by the calendar.

-or-

era is outside the range supported by the calendar.

To make up for the difference between the calendar year and the actual time that the earth rotates around the sun or the actual time that the moon rotates around the earth, a leap year has a different number of days from a standard calendar year. Each Calendar implementation defines leap years differently.

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.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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