ISCardFileAccess::Seek

The Seek method selects the object from which (read/write) access will be done.

HRESULT Seek(
  HSCARD_FILE hFile,
  SEEKTYPE Seek,
  LONG lOffset
);

Parameters

hFile [in]
Handle to an open file.
Seek [in]
Specifies where the seek should begin:

SC_SEEK_FROM_BEGINNING

SC_SEEK_FROM_END

SC_SEEK_RELATIVE

lOffset [in]
The number of data objects from the reference object.

Return Values

The possible return values are the following:

Value Meaning
S_OK Operation completed successfully.
E_INVALIDARG Invalid parameter.
E_OUTOFMEMORY Out of memory.

Remarks

To read to or write from a file, call Read or Write respectively.

For a list of all the methods defined by the ISCardFileAccess interface, see ISCardFileAccess.

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 Smart Card Error Codes.

QuickInfo

  Windows NT: Use version 4.0 SP3 and later.
  Windows: Use Windows 95 OSR2.1.
  Windows CE: Unsupported.
  Header: Declared in scardcom.h.
  Import Library: scardcom.tlb (vendor-supplied).

See Also

ISCardFileAccess, Read, Write