Upravit

Sdílet prostřednictvím


SCardReleaseContext function (winscard.h)

The SCardReleaseContext function closes an established resource manager context, freeing any resources allocated under that context, including SCARDHANDLE objects and memory allocated using the SCARD_AUTOALLOCATE length designator.

Syntax

LONG SCardReleaseContext(
  [in] SCARDCONTEXT hContext
);

Parameters

[in] hContext

Handle that identifies the resource manager context. The resource manager context is set by a previous call to SCardEstablishContext.

Return value

This function returns different values depending on whether it succeeds or fails.

Return code Description
Success
SCARD_S_SUCCESS.
Failure
An error code. 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]
Target Platform Windows
Header winscard.h
Library Winscard.lib
DLL Winscard.dll

See also

SCardEstablishContext