CardQueryFreeSpace Function
The CardQueryFreeSpace function, defined by a smart card module, gets the amount of available memory on a smart card.
Syntax
DWORD WINAPI CardQueryFreeSpace(
__in PCARD_DATA pCardData,
__in DWORD dwFlags,
__inout PCARD_FREE_SPACE_INFO pCardFreeSpaceInfo
);
Parameters
pCardData [in]
A pointer to a CARD_DATA structure received from a call to the CardAcquireContext function.dwFlags [in]
Reserved. This parameter must be set to zero.pCardFreeSpaceInfo [in, out]
A pointer to a CARD_FREE_SPACE_INFO structure that, on output, contains information about the available memory on a smart card.
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 |
|---|---|
| SCARD_E_INVALID_PARAMETER 21485322280x80100004 | The dwFlags parameter contains a value other than zero. |
Requirements
| Minimum supported client | Windows XP, Windows 2000 Professional with SP4 |
| Minimum supported server | Windows Server 2003, Windows 2000 Server with SP4 |
| Header | Cardmod.h |
See Also
Microsoft Base Smart Card Cryptographic Service Provider
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Build date: 3/5/2009