GetSystemDefaultLangID function (winnls.h)

Returns the language identifier for the system locale.

Syntax

LANGID GetSystemDefaultLangID();

Return value

Returns the language identifier for the system locale. This is the language used when displaying text in programs that do not support Unicode. It is set by the Administrator under Control Panel > Clock, Language, and Region > Change date, time, or number formats > Administrative tab.

For more information on language identifiers, see Language Identifier Constants and Strings.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	winnls.h (include Windows.h)
Library	Kernel32.lib
DLL	Kernel32.dll

See also

GetSystemDefaultLCID

GetUserDefaultLangID

National Language Support

National Language Support Functions