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UmAlQuraCalendar.ToFourDigitYear Method

Note: This method is new in the .NET Framework version 2.0.

Converts the specified two-digit year to a four-digit year by using the TwoDigitYearMax property to determine the appropriate century.

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

public override int ToFourDigitYear (
	int year
)
public int ToFourDigitYear (
	int year
)
public override function ToFourDigitYear (
	year : int
) : int

Parameters

year

A 2-digit year from 0 through 99, or a 4-digit Umm-Al Qurah calendar year from 1318 through 1450.

Return Value

If the year parameter is a 2-digit year, the return value is the corresponding 4-digit year. If the year parameter is a 4-digit year, the return value is the unchanged year parameter.

Exception typeCondition

ArgumentOutOfRangeException

year is outside the range supported by this calendar.

The ToFourDigitYear method uses the year parameter, the TwoDigitYearMax property, and a 2-digit year to calculate a 4-digit year. The century is determined by finding the sole occurrence of the 2-digit year parameter within that 100-year range. For example, if TwoDigitYearMax is set to 1429, the 100-year range is from 1330 through 1429; therefore, a 2-digit value of 30 is interpreted as 1330, while a 2-digit value of 29 is interpreted as 1429.

If the TwoDigitYearMax property is the special value 99, the ToFourDigitYear method ignores the settings in Regional and Language Options (or Regional Options or Regional Settings) in Control Panel in Windows and returns the year parameter unchanged.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0

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