ISCardCmd::Clear method

[The Clear 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 Clear method clears the application protocol data unit (APDU) and reply APDU message buffers.

Syntax

HRESULT Clear();

Parameters

This method has no parameters.

Return value

The method returns one of the following possible values.

Remarks

To build a command APDU, call BuildCmd.

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 clear the APDU and reply APDU message buffers.

HRESULT  hr;

hr = pISCardCmd->Clear();
if (FAILED(hr))
{
    printf("Failed ISCardCmd::Clear\n");
    // Take other error handling action as needed.
}

Requirements

See also

ISCardCmd::BuildCmd

ISCardCmd