System.Globalization.CultureInfo.IetfLanguageTag Property

Deprecated. Gets the RFC 4646 standard identification for a language.

Syntax

[System.Runtime.InteropServices.ComVisible(false)]
public string IetfLanguageTag { get; }

Value

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Remarks

Note:

This property and the CultureInfo.GetCultureInfoByIetfLanguageTag(string) method are deprecated. Instead, you should use a the CultureInfo.Name property. IETF tags and names are identical.

The RFC 4646 standard that is maintained by the Internet Engineering Task Force (IETF) defines an IETF language tag, which provides a uniform means of identifying a language. The format of an IETF language tag is similar to the culture name returned by the CultureInfo.Name property, but does not identify a culture uniquely. That is, different cultures share the same IETF language tag if those cultures have identical linguistic characteristics. The linguistic characteristics of a culture are contained in the System.Globalization.TextInfo object associated with a System.Globalization.CultureInfo object.

An IETF language tag consists of a mandatory language identifier, an optional script identifier, and an optional region identifier.

For more information, see tp://go.microsoft.com/fwlink/?LinkId=230876. For a list of subtags, see tp://go.microsoft.com/fwlink/?LinkId=230877.

Requirements

Namespace: System.Globalization
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 2.0.0.0, 4.0.0.0