CardEnumFiles function
This topic is not current. For the most current information about the Smart Card API, see Smart Card Minidriver Specification.
The CardEnumFiles function, defined by a smart card module, receives an array of the names of files available in a specified directory of a smart card.
Syntax
DWORD WINAPI CardEnumFiles(
_In_ PCARD_DATA pCardData,
_In_ LPSTR pszDirectoryName,
_Out_ LPSTR *pmszFileNames,
_Out_ LPDWORD pdwcbFileName,
_In_ DWORD dwFlags
);
Parameters
-
pCardData [in]
-
A pointer to a CARD_DATA structure received from a call to the CardAcquireContext function.
-
pszDirectoryName [in]
-
A pointer to a null-terminated string that contains the name of the directory that contains the files to enumerate.
-
pmszFileNames [out]
-
A pointer to a buffer that, on output, contains an array of null-terminated strings that specify the names of the files in the directory specified by the pszDirectory parameter.
This buffer is allocated by the smart card module and freed by the caller. When you have finished using the buffer, free it by calling the PFN_CSP_FREE function.
-
pdwcbFileName [out]
-
A pointer to a DWORD value that, on output, specifies the size, in bytes, of the pmszFileNames buffer.
-
dwFlags [in]
-
Reserved. This parameter must be set to zero.
Return value
If the function succeeds, the function returns zero.
If the function fails, it returns a nonzero error value or one of the following possible error values.
| Return code/value | Description |
|---|---|
|
The dwFlags parameter contains a value other than zero. |
Requirements
| Minimum supported client |
Windows XP [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|