get_ReplyStatusSW2 Method

ISCardCmd::get_ReplyStatusSW2 method

[The get_ReplyStatusSW2 method is available for use in the operating systems specified in the Requirements section. It is not available for use in Windows Server 2003 with Service Pack 1 (SP1) and later, Windows Vista, Windows Server 2008, and subsequent versions of the operating system. The Smart Card Modules provide similar functionality.]

The get_ReplyStatusSW2 method retrieves the reply APDU SW2 status byte.

Syntax


HRESULT get_ReplyStatusSW2(
  [out] LPBYTE pbySW2
);

Parameters

pbySW2 [out]

Pointer to the byte that contains the value of the SW2 byte on return.

Return value

The method returns one of the following possible values.

Return codeDescription
S_OK

Operation completed successfully.

E_INVALIDARG

The pbySW2 is not valid.

E_POINTER

A bad pointer was passed in pbySW2.

E_OUTOFMEMORY

Out of memory.

 

Remarks

The reply APDU's SW2 status byte is read-only.

To retrieve the reply APDU's SW1 status byte, call get_ReplyStatusSW1.

For a list of all the methods provided by this 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 more information, see Smart Card Return Values.

Examples

The following example shows how to retrieve the SW2 status byte of the reply APDU. The example assumes that pISCardCmd is a valid pointer to an instance of the ISCardCmd interface.


BYTE     bySW2;
HRESULT  hr;

// Retrieve the reply status SW2 byte.
hr = pISCardCmd->get_ReplyStatusSW2(&bySW2);
if (FAILED(hr))
{
  printf("Failed get_ReplyStatusSW2\n");
  // Take other error handling action as needed.
}


Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

End of client support

Windows XP

End of server support

Windows Server 2003

Header

Scarddat.h

Type library

Scarddat.tlb

DLL

Scardssp.dll

IID

IID_ISCardCmd is defined as D5778AE3-43DE-11D0-9171-00AA00C18068

See also

get_ReplyStatusSW1
get_ReplyStatus
ISCardCmd

 

 

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