ISCardFileAccess::Open method

Стаття
01/07/2021

[The Open 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 Open method opens the specified file for further use.

Syntax

HRESULT Open(
  [in]  REFTYPE     refType,
  [in]  BSTR        bstrPathSpec,
  [out] HSCARD_FILE *phFile
);

Parameters

refType [in]

Type of reference used in bstrPathSpec.

SC_TYPE_BY_NAME
SC_TYPE_BY_ID
SC_TYPE_BY_SHORT
SC_TYPE_BY_ANY

bstrPathSpec [in]

File to open.

phFile [out]

Pointer to an HSCARD_FILE that will hold the file handle.

Return value

The method returns one of the following possible values.

Return code	Description
S_OK	Operation completed successfully.
E_INVALIDARG	Invalid parameter.
E_POINTER	A bad pointer was passed in.
E_OUTOFMEMORY	Out of memory.

Remarks

To close a file, call Close.

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

Requirements

Requirement	Value
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

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