ISCardCmd::get_ApduReplyLength

The get_ApduReplyLength method determines the length (in bytes) of the reply APDU.

HRESULT get_ApduReplyLength(
  LONG *plSize  
);
 

Parameters

plSize
[out, retval] Pointer to the size of the reply APDU message.

Return Values

The possible return values are the following:

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

Remarks

To get an existing reply APDU, call get_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_ApduReply, ISCardCmd, put_ApduReply