ISCardCmd::get_Data

The get_Data method retrieves the data field from the APDU, placing it in a byte buffer object.

HRESULT get_Data(
  LPBYTEBUFFER *ppData  
);

Parameters

ppData
[out, retval] Pointer to the byte buffer object (IStream) that holds the APDU's data field on return.

Return Values

The possible return values are the following:

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

Remarks

To set the data field of the ADPU, call put_Data.

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

ISCardCmd, put_Data