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