/**m* SCardChannel/Disconnect
*
* NAME
* SCardChannel.Disconnect()
*
* SYNOPSIS
* bool Disconnect()
* bool Disconnect(uint disposition)
*
* DESCRIPTION
* Close the connection channel
*
* INPUTS
* The disposition parameter must take one of the following values:
* - SCARD.EJECT_CARD
* - SCARD.UNPOWER_CARD
* - SCARD.RESET_CARD
* - SCARD.LEAVE_CARD
* If this parameter is omitted, it defaults to SCARD.RESET_CARD
*
* SEE ALSO
* SCardChannel.Connect
*
**/
public virtual bool Disconnect(uint disposition)
{
uint rc;
Trace.WriteLine("Disconnect, disposition=" + disposition);
rc = SCARD.Disconnect(_hCard, disposition);
if (rc != SCARD.S_SUCCESS)
{
_last_error = rc;
}
_hCard = IntPtr.Zero;
if (rc != SCARD.S_SUCCESS)
{
return(false);
}
return(true);
}