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PersianCalendar.ToFourDigitYear Method

Converts the specified year to a four-digit year representation.

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

abstract ToFourDigitYear : 
        year:int -> int  
override ToFourDigitYear : 
        year:int -> int


Type: System.Int32

An integer from 1 through 9378 that represents the year to convert.

Return Value

Type: System.Int32
An integer that contains the four-digit representation of year.


year is less than 0 or greater than 9378.

This method converts the year parameter to a four-digit year representation using the TwoDigitYearMax property. The return value is the upper boundary of a 100-year range that allows a two-digit year to be properly translated to a four-digit year. For example, if the 100-year range is from 1930 through 2029, then a two-digit value of 30 is interpreted as 1930 while a two-digit value of 29 is interpreted as 2029.

ToFourDigitYear supports either a two-digit year or a four-digit year. Passing a two-digit year value (less than 100) causes the method to convert the value to a four-digit value according to the TwoDigitYearMax value representing the appropriate century. If the application supplies a four-digit year value that is within the supported calendar range to ToFourDigitYear, the method returns the actual input value. If the application supplies a four-digit value that is outside the supported calendar range, or if it supplies a negative value, the method throws an exception.

The following code example demonstrates the use of the ToFourDigitYear method.

No code example is currently available or this language may not be supported.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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