Indicates whether a particular disk file contains a storage object.
| const WCHAR * pwcsName
||//Points to a pathname of the file to check
Points to the name of the disk file to be examined. The pwcsName
parameter is passed uninterpreted to the underlying file system.
Indicates the file contains a storage object.
Indicates the file does not contain a storage object.
Indicates a bad filename was passed in the pwcsName
Indicates the pwcsName
parameter could not be determined.
See also any file system errors for other error return values.
At the beginning of the disk file underlying a storage object is a signature
distinguishing a storage object from other file formats. The StgIsStorageFile
function is useful to applications whose documents use a disk file format
that might or might not use storage objects.
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