PathIsSystemFolderW function (shlwapi.h)

Article
02/22/2024

Determines if an existing folder contains the attributes that make it a system folder. Alternately, this function indicates if certain attributes qualify a folder to be a system folder.

Syntax

BOOL PathIsSystemFolderW(
  [in, optional] LPCWSTR pszPath,
  [in]           DWORD   dwAttrb
);

Parameters

[in, optional] pszPath

Type: LPCTSTR

A pointer to a null-terminated string of maximum length MAX_PATH that contains the name of an existing folder. The attributes for this folder will be retrieved and compared with those that define a system folder. If this folder contains the attributes to make it a system folder, the function returns nonzero. If this value is NULL, this function determines if the attributes passed in dwAttrb qualify it to be a system folder.

[in] dwAttrb

Type: DWORD

The file attributes to be compared. Used only if pszPath is NULL. In that case, the attributes passed in this value are compared with those that qualify a folder as a system folder. If the attributes are sufficient to make this a system folder, this function returns nonzero. These attributes are the attributes that are returned from GetFileAttributes.

Return value

Type: BOOL

Returns nonzero if the pszPath or dwAttrb represent a system folder, or zero otherwise.

Remarks

Note

The shlwapi.h header defines PathIsSystemFolder as an alias which automatically selects the ANSI or Unicode version of this function based on the definition of the UNICODE preprocessor constant. Mixing usage of the encoding-neutral alias with code that not encoding-neutral can lead to mismatches that result in compilation or runtime errors. For more information, see Conventions for Function Prototypes.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional, Windows XP [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	shlwapi.h
Library	Shlwapi.lib
DLL	Shlwapi.dll (version 4.71 or later)

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