ISCardVerify::Unblock method
[The Unblock 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 Unblock method re-enables the security context of the smart card.
Syntax
HRESULT Unblock(
[in] LONG lData,
[in] SCARD_FLAGS Flags,
[in] LONG lRef
);
Parameters
lData [in]
Contains vendor-specific data to be used in the unblocking process.
Flags [in]
Indicates whether the code is global or local.
SC_FL_IHV_GLOBAL
SC_FL_IHV_LOCAL
lRef [in]
Smart card specific reference.
Return value
The Unblock method returns one of the following 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 globally reset the security context, call ResetSecurityState.
For a list of all the methods defined by this interface, see ISCardVerify.
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
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 |
Mbnapi.h |