/// <summary>
/// Disconnects the an established connection to a smart card and closes
/// an established resource manager context, freeing any resources allocated
/// under that context.
/// </summary>
/// <param name="disposition">Action to take on the card in the connected reader on close.</param>
public void Disconnect(SCARD_DISCONNECT disposition)
{
try
{
this.SCard.Disconnect(disposition);
this.SCard.ReleaseContext();
this.readerName = null;
}
catch (WinSCardException ex)
{
throw ex;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// The SCardDisconnect function terminates a connection previously opened between the calling
/// application and a smart card in the target reader.
/// </summary>
/// <param name="disposition">
/// Action to take on the card in the connected reader on close.
/// </param>
/// <returns>
/// If the function succeeds, the function returns SCARD_S_SUCCESS.
/// If the function fails, it returns an error code.
/// </returns>
public void Disconnect(SCARD_DISCONNECT disposition)
{
connectedReaderName = null;
if (this.phCARD != (IntPtr)0)
{
int ret = WinSCardAPIWrapper.SCardDisconnect(phCARD, (uint)disposition);
this.phCARD = (IntPtr)0;
this.readerStrings = null;
if (ret == 0)
{
Trace.WriteLineIf(scardTrace, String.Format(" SCard.Disconnect(SCARD_DISCONNECT.{0})...", disposition));
}
else
{
throw new WinSCardException(scardTrace, "SCard.Disconnect", ret);
}
}
}
public static extern HRESULT SCardDisconnect(IntPtr hCard, SCARD_DISCONNECT options);
/// <summary>
/// The SCardReconnect function reestablishes an existing connection between the calling application and
/// a smart card. This function moves a card handle from direct access to general access, or acknowledges
/// and clears an error condition that is preventing further access to the card.
/// </summary>
/// <param name="dwShareMode">
/// A flag that indicates whether other applications may form connections to the card.
/// </param>
/// <param name="dwPrefProtocol">
/// A bitmask of acceptable protocols for the connection. Possible values may be combined with the OR operation.
/// </param>
/// <param name="disconnectAction">
/// Action to take on the card in the connected reader on close.
/// </param>
/// <returns>
/// If the function succeeds, the function returns SCARD_S_SUCCESS.
/// If the function fails, it returns an error code.
/// </returns>
public void Reconnect(SCARD_SHARE_MODE dwShareMode, SCARD_PROTOCOL dwPrefProtocol, SCARD_DISCONNECT disconnectAction)
{
int ret = WinSCardAPIWrapper.SCardReconnect(phCARD, (uint)dwShareMode, (uint)dwPrefProtocol,
(uint)disconnectAction, out activeSCardProtocol);
if (ret == 0)
{
Trace.WriteLineIf(scardTrace, String.Format(" SCard.Reconnect(SHARE_MODE.{0}, SCARD_PROTOCOL.{1}, SCARD_DISCONNECT.{2} )",
dwShareMode, (SCARD_PROTOCOL)dwPrefProtocol, (SCARD_DISCONNECT)disconnectAction));
Trace.WriteLineIf(scardTrace, String.Format(" Active Protocol: SCARD_PROTOCOL.{0} ", (SCARD_PROTOCOL)activeSCardProtocol));
Trace.WriteLineIf(this.TraceSCard, HexFormatting.Dump(" ATR: 0x", this.Atr, this.Atr.Length, 24));
}
else
{
throw new WinSCardException(scardTrace, "SCard.Reconnect", ret);
}
}
/// <summary>
/// The SCardReconnect function reestablishes an existing connection between the calling application and
/// a smart card. This function moves a card handle from direct access to general access, or acknowledges
/// and clears an error condition that is preventing further access to the card.
/// </summary>
/// <param name="disconnectAction">
/// Action to take on the card in the connected reader on close.
/// </param>
/// <returns>
/// If the function succeeds, the function returns SCARD_S_SUCCESS.
/// If the function fails, it returns an error code.
/// </returns>
public void Reconnect(SCARD_DISCONNECT disconnectAction)
{
Reconnect(SCARD_SHARE_MODE.Exclusive, SCARD_PROTOCOL.Tx, disconnectAction);
}
public void Reconnect(SCARD_SHARE_MODE dwShareMode, SCARD_PROTOCOL dwPrefProtocol, SCARD_DISCONNECT disconnectAction)
{
int ret = WinSCardAPIWrapper.SCardReconnect( phCARD, (uint)dwShareMode, (uint)dwPrefProtocol,
(uint)disconnectAction, out activeSCardProtocol);
if (ret == 0)
{
Trace.WriteLineIf(scardTrace, String.Format(" SCard.Reconnect(SHARE_MODE.{0}, SCARD_PROTOCOL.{1}, SCARD_DISCONNECT.{2} )",
dwShareMode, (SCARD_PROTOCOL)dwPrefProtocol, (SCARD_DISCONNECT)disconnectAction));
Trace.WriteLineIf(scardTrace, String.Format(" Active Protocol: SCARD_PROTOCOL.{0} ", (SCARD_PROTOCOL)activeSCardProtocol));
Trace.WriteLineIf(this.TraceSCard, HexFormatting.Dump(" ATR: 0x",this.Atr,this.Atr.Length,24));
}
else
{
throw new WinSCardException(scardTrace, "SCard.Reconnect", ret);
}
}
public void Reconnect(SCARD_DISCONNECT disconnectAction)
{
Reconnect(SCARD_SHARE_MODE.Exclusive, SCARD_PROTOCOL.Tx, disconnectAction);
}
public void Disconnect(SCARD_DISCONNECT disposition)
{
connectedReaderName = null;
if (this.phCARD != (IntPtr)0)
{
int ret = WinSCardAPIWrapper.SCardDisconnect(phCARD, (uint)disposition);
this.phCARD = (IntPtr)0;
this.readerStrings = null;
if (ret == 0)
{
Trace.WriteLineIf(scardTrace, String.Format(" SCard.Disconnect(SCARD_DISCONNECT.{0})...", disposition));
}
else
{
throw new WinSCardException( scardTrace, "SCard.Disconnect", ret );
}
}
}
