The SCardLock method locks a connected smart card for exclusive use.
HRESULT SCardLock(void);The possible return values are the following:
| Value | Meaning |
|---|---|
| S_OK | Operation completed successfully. |
| E_FAIL | Operation failed to complete. |
To releases exclusive use of the connected smart card, call SCardUnlock.
For a list of all the methods defined by the ISCardManage interface, see ISCardManage.
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.
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).