The get_Context method retrieves the current resource manager context handle. Returns (*pContext) == NULL if no context has been established.
HRESULT get_Context(
HSCARDCONTEXT *pContext
);
The possible return values are the following:
Value | Meaning |
---|---|
S_OK | Operation completed successfully. |
E_INVALIDARG | pContext is invalid. |
E_POINTER | A bad pointer was passed in pContext. |
The resource manager context is set by calling the smart card function SCardEstablishContext.
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.
Windows NT: Use version 4.0 SP3 and later.
Windows: Use Windows 95 OSR2.1.
Windows CE: Unsupported.
Header: Declared in scardmgr.h.
Import Library: scardmgr.tlb.
get_Atr, get_CardHandle, get_Protocol, get_Status, ISCard, SCardEstablishContext