Gets or sets the language of the content within an TextElement element.
Assembly: System.Windows (in System.Windows.dll)
"prefix" - or -
Language prefix, using the ISO 639-1 language prefix values. For example "en", or "zh". Uppercase values are accepted and converted to lowercase. This may also be an empty attribute, "".
If provided, must be preceded by a single hyphen. Then, a subcode as defined by RFC 3066. The most typical usage, and the one which is most likely to properly map to a CultureInfo, is a country or regional designation such as "-us" or "-hk". Uppercase values are accepted and equivalent to lowercase.
To specify a value in XAML, you specify a string that represents the same string you would use in a call to GetLanguage.