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GetFileAttributesEx info  Overview  Group

The GetFileAttributesEx function obtains attribute information about a specified file or directory.

This function is similar to the GetFileAttributes function. GetFileAttributes returns a set of FAT-style attribute information. GetFileAttributesEx is designed to obtain other sets of file or directory attribute information. Currently, GetFileAttributeEx obtains a set of standard attributes that is a superset of the FAT-style attribute information.

BOOL GetFileAttributesEx(

    LPCTSTR lpFileName, 

// pointer to string that specifies a file or directory

    GET_FILEEX_INFO_LEVELS fInfoLevelId, 

// value that specifies the type of attribute information to obtain

    LPVOID lpFileInformation 

// pointer to buffer to receive attribute information

   );

Parameters

lpFileName
Pointer to a null-terminated string that specifies a file or directory.

By default, this string is limited to MAX_PATH characters. The limit is related to how the GetFileAttributesEx function parses paths. An application can transcend this limit and send in paths longer than MAX_PATH characters by calling the wide (W) version of GetFileAttributesEx and prepending “\\?\” to the path. The “\\?\” tells the function to turn off path parsing. This technique also works with UNC names. The “\\?\” is ignored as part of the path. For example, “\\?\C:\myworld\private” is seen as “C:\myworld\private”, and “\\?\UNC\peanuts\hotstuff\coolapps” is seen as “\\peanuts\hotstuff\coolapps”.

fInfoLevelId
Specifies a GET_FILEEX_INFO_LEVELS enumeration type that gives the set of attribute information to obtain.
lpFileInformation
Pointer to a buffer that receives the attribute information. The type of attribute information stored into this buffer is determined by the value of fInfoLevelId.

Return Values

If the function succeeds, the return value is a nonzero value.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

See Also

GetFileAttributes, GET_FILEEX_INFO_LEVELS, SetFileAttributes 

file: /Techref/os/win/api/win32/func/src/f31_20.htm, 4KB, , updated: 2000/4/7 12:19, local time: 2025/5/25 17:00,
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