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CultureInfo.TwoLetterISOLanguageName Property

.NET Framework 4

Updated: January 2012

Gets the ISO 639-1 two-letter code for the language of the current CultureInfo.

Namespace:  System.Globalization
Assembly:  mscorlib (in mscorlib.dll)
C#
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public virtual string TwoLetterISOLanguageName { get; }

Property Value

Type: System.String
The ISO 639-1 two-letter code for the language of the current CultureInfo.

An example of an ISO-639-1 two-letter code is "en" for English.

Note Note

When communicating between processes or persisting data it is usually better to use the full CultureInfo.Name instead of the language code. Using just the language code can lose context and data.

If ISO 639-1 does not define a two-letter language code for a particular culture, the TwoLetterISOLanguageName property returns a string that consists of three or more letters. For more information, see the example.

The following example lists the cultures whose TwoLetterISOLanguageName property does not consist of a two-letter language code.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Date

History

Reason

January 2012

Expanded the Remarks section and replaced the example.

Information enhancement.
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May not always be 2 letters
$0In the case where a region does not have a 2 letter region name its 3 letter name or numeric code may be used instead, see https://connect.microsoft.com/VisualStudio/feedback/details/694378/twoletterisoregionname-for-carribean-has-three-letters-029$0
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