CARD_FREE_SPACE_INFO Structure

  • Article

The CARD_FREE_SPACE_INFO structure contains information about the amount of available memory on a smart card.

Syntax

typedef struct _CARD_FREE_SPACE_INFO {
  DWORD dwVersion;
  DWORD dwBytesAvailable;
  DWORD dwKeyContainersAvailable;
  DWORD dwMaxKeyContainers;
} CARD_FREE_SPACE_INFO, *PCARD_FREE_SPACE_INFO;

Members

  • dwVersion
    The version number of the structure.

  • dwBytesAvailable
    The number of bytes of memory available on the smart card.

  • dwKeyContainersAvailable
    The number of key containers available on the smart card.

  • dwMaxKeyContainers
    The maximum number of key containers that the smart card supports.

Remarks

The CardQueryFreeSpace function initializes this structure. The CardQueryFreeSpace function should set any values that are not known to CARD_DATA_VALUE_UNKNOWN.

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

CardQueryFreeSpace

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Build date: 3/5/2009