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DateTime.AddYears Method

Returns a new DateTime that adds the specified number of years to the value of this instance.

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

public DateTime AddYears(
	int value
)

Parameters

value
Type: System.Int32

A number of years. The value parameter can be negative or positive.

Return Value

Type: System.DateTime
A DateTime whose value is the sum of the date and time represented by this instance and the number of years represented by value.

ExceptionCondition
ArgumentOutOfRangeException

value or the resulting DateTime is less than MinValue or greater than MaxValue.

This method does not change the value of this DateTime object. Instead, a new DateTime object is returned whose value is the result of this operation.

The AddYears method calculates the resulting year taking into account leap years. The month and time-of-day part of the resulting DateTime object remains the same as this instance.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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