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4/8/2010

This function terminates a connection previously opened between the calling application and a smart card in the target reader.

Syntax 

LONG SCardDisconnect(
  SCARDHANDLE 
hCard, 
  DWORD 
dwDisposition 
);

Parameters

hCard

[in] Handle to the reference value obtained from a previous call to SCardConnect.

dwDisposition

[in] Specifies what to do with the card in the connected reader on close. The following table shows the possible values for dwDisposition.

Value Description

SCARD_LEAVE_CARD

Do nothing.

SCARD_RESET_CARD

Reset the card.

SCARD_UNPOWER_CARD

Power down the card.

SCARD_EJECT_CARD

Eject the card.

Return Value

The following table shows the possible return values.

Value Description

SCARD_S_SUCCESS

Succeeds

An error value (see Smart Card Error Valuesfor a list of all error values).

Fails

Remarks

SCardDisconnectis a smart card and reader access function.

Requirements

Header winscard.h
Library winscard.lib
Windows Embedded CE Windows CE 3.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also