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EnumSystemLocales info  Overview  Group

The EnumSystemLocales function enumerates the locales that are either installed on or supported by a system. The dwFlags parameter determines whether the function enumerates installed or supported system locales. The function enumerates locales by passing locale identifiers, one at a time, to the specified application-defined callback function. This continues until all of the installed or supported locale identifiers have been passed to the callback function or the callback function returns FALSE.

BOOL EnumSystemLocales(

    LOCALE_ENUMPROC lpLocaleEnumProc,

// pointer to enumeration callback function

    DWORD dwFlags 

// indicates which locales to enumerate



Points to an application-defined callback function. The EnumSystemLocales function enumerates locales by making repeated calls to this callback function. For more information, see the EnumLocalesProc callback function.
Specifies the locale identifiers to enumerate. This parameter can be one of the following values:




Enumerate only installed locale identifiers.


Enumerate all supported locale identifiers.


Enumerate only the alternate sorts. If this flag is used by itself, then only the alternate sort locale IDs will be returned. If this flag is used with either LCID_INSTALLED or LCID_SUPPORTED, then the installed or supported locales will be returned as well as the alternate sort locale IDs.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError. GetLastError may return one of the following error codes:



The LCID_INSTALLED and LCID_SUPPORTED flags are mutually exclusive.

See Also


See also:

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