ISCardCmd::get_ApduReply

The get_ApduReply retrieves the reply APDU, placing it in a specific byte buffer. The reply may be NULL if no transaction has been performed on the command APDU.

HRESULT get_ApduReply(
  LPBYTEBUFFER *ppReplyApdu  
);

Parameters

ppReplyApdu
[out, retval] Pointer to the byte buffer (mapped through an IStream) that contains the APDU reply message on return.

Return Values

The possible return values are the following:

Value Meaning
S_OK Operation completed successfully.
E_INVALIDARG ppReplyApdu is invalid.
E_POINTER A bad pointer was passed in ppReplyApdu.
E_OUTOFMEMORY Out of memory.

Remarks

To determine the length of the APDU reply, call get_ApduReplyLength.

To set a new reply APDU, call put_ApduReply.

For a list of all the methods provided by the ISCardCmd interface, see ISCardCmd.

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 scarddat.h.
  Import Library: scarddat.tlb.

See Also

get_ApduReplyLength, ISCardCmd, put_ApduReply