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GregorianCalendar.TwoDigitYearMax Property

Gets or sets the last year of a 100-year range that can be represented by a 2-digit year.

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

public override int TwoDigitYearMax { get; set; }

Property Value

Type: System.Int32
The last year of a 100-year range that can be represented by a 2-digit year.

ExceptionCondition
ArgumentOutOfRangeException

The value specified in a set operation is less than 99.

-or-

The value specified in a set operation is greater than MaxSupportedDateTime.Year.

InvalidOperationException

In a set operation, the current instance is read-only.

This property allows a 2-digit year to be properly translated to a 4-digit year. For example, if this property is set to 2029, the 100-year range is from 1930 to 2029. Therefore, a 2-digit value of 30 is interpreted as 1930, while a 2-digit value of 29 is interpreted as 2029.

The initial value of this property is derived from the settings in the regional and language options portion of Control Panel. However, that information can change during the life of the AppDomain. The GregorianCalendar class does not detect changes in the system settings automatically.

The application should set this value to 99 to indicate that 2-digit years are to be taken literally. For example, if this property is set to 99, the 100-year range is from 0 (not a valid value for most calendars) to 99. Therefore, a 2-digit value of 30 is interpreted as 30.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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