Using Win32 functions in Visual FoxPro Image Gallery
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Authentication                Add comment
SCardConnect Establishes a connection (using a specific resource manager context) between the calling application and a smart card contained by a specific reader.
SCardControl The SCardControl function gives you direct control of the reader by sending specific control codes optionally accompanied with supporting input data.
SCardDisconnect Terminates a connection previously opened between the calling application and a smart card in the target reader.
SCardEstablishContext Establishes the resource manager context (the scope) within which database operations are performed.
SCardGetAttrib Gets the current reader attributes for the given handle. It does not affect the state of the reader, driver, or card.
SCardGetProviderId Returns the identifier (GUID) of the primary service provider for a given card.
SCardIsValidContext Determines whether a smart card context handle is valid.
SCardListCards Searches the smart card database and provides a list of named cards previously introduced to the system by the user.
SCardListInterfaces Provides a list of interfaces supplied by a given card.
SCardListReaderGroups Provides the list of reader groups that have previously been introduced to the system.
SCardListReaders Provides the list of readers within a set of named reader groups.
SCardReleaseContext Closes an established resource manager context, freeing any resources allocated under that context, including SCARDHANDLE objects and memory allocated using the SCARD_AUTOALLOCATE length designator.
SCardStatus Provides the current status of a smart card in a reader.
SCardTransmit Sends a service request to the smart card and expects to receive data back from the card.
Code examples:
Smart Card Database Query Functions
User Contributed Notes:
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