ISCardFileAccess::Directory method

[The Directory method is available for use in the operating systems specified in the Requirements section. It is not available for use in Windows Server 2003 with Service Pack 1 (SP1) and later, Windows Vista, Windows Server 2008, and subsequent versions of the operating system. The Smart Card Modules provide similar functionality.]

The Directory method retrieves a list of files of the specified type from the current directory.

Syntax

HRESULT Directory(
  [in]  FILETYPE    fileType,
  [out] LPSAFEARRAY *ppFileList
);

Parameters

fileType [in]

Type of smart card files to list.

Value Meaning
SC_TYPE_DIRECTORIES
List directory files only.
SC_TYPE_FILES
List elementary files only.
SC_TYPE_ALL_FILES
List both directory and elementary files.
SC_TYPE_DIRECTORY_FILE
Directory file.
SC_TYPE_TRANSPARENT_EF
Transparent elementary file.
SC_TYPE_FIXED_EF
Linear fixed elementary file.
SC_TYPE_CYCLIC_EF
Cyclic elementary file.
SC_TYPE_VARIABLE_EF
Linear variable elementary file.

 

ppFileList [out]

Array of BSTRs representing the list of files matching the specifier in fileType.

Return value

The method returns one of the following possible values.

Return code Description
S_OK
Operation was completed successfully.
E_INVALIDARG
Invalid parameter.
E_NOTIMPL
The interface has not implemented this method.
E_OUTOFMEMORY
Out of memory.
E_POINTER
A bad pointer was passed in for ppFileList.

 

Remarks

For a list of all the methods defined by this interface, see ISCardFileAccess.

In addition to the COM error codes listed above, this interface may return a smart card error code if a smart card function was called to complete the request. For more information, see Smart Card Return Values.

Requirements

Requirement Value
Minimum supported client
Windows XP [desktop apps only]
Minimum supported server
Windows Server 2003 [desktop apps only]
End of client support
Windows XP
End of server support
Windows Server 2003

See also

ISCardFileAccess