ISCard::get_Protocol

The get_Protocol retrieves the identifier of the protocol currently in use on the smart card.

HRESULT get_Protocol(
  SCARD_PROTOCOLS *pProtocol  
);

Parameters

pProtocol
[out, retval] Pointer to the protocol identifier.

Return Values

The possible return values are the following:

Value Meaning
S_OK Operation completed successfully.
E_INVALIDARG pProtocol is invalid.
E_POINTER A bad pointer was passed in pProtocol.

Remarks

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 information on smart card error codes, see Error Codes.

QuickInfo

  Windows NT: Use version 4.0 SP3 and later.
  Windows: Use Windows 95 OSR2.1.
  Windows CE: Unsupported.
  Header: Declared in scardmgr.h.
  Import Library: scardmgr.tlb.

See Also

get_Atr, get_CardHandle, get_Context, get_Status, ISCard