public bool ResetReader(
string SelectedReader,
out string ATR)
{
String atr_temp = "";
String s = "";
bool boRet = true;
ATR = atr_temp;
// Disconnect to with reset disposition
LastError = WinSCard.SCardDisconnect(
_cardHandle,
(int)SCardReaderDisposition.Reset);
if (!IsSuccess(LastError))
{
return(false);
}
// Connect to selected reader
if (!ConnectReader(SelectedReader))
{
return(false);
}
// Init readerState
SCARD_READERSTATE readerState = new SCARD_READERSTATE
{
RdrName = SelectedReader,
RdrCurrState = 0,
RdrEventState = 0,
UserData = "Card",
};
// Get Status Change
LastError = WinSCard.SCardGetStatusChange(
_context,
0,
ref readerState,
1);
if (!IsSuccess(LastError))
{
return(false);
}
StringBuilder hex = new StringBuilder(readerState.ATRValue.Length * 2);
foreach (byte b in readerState.ATRValue)
{
hex.AppendFormat("{0:X2}", b);
}
atr_temp = hex.ToString();
ATR = atr_temp;
return(boRet);
}
public bool DisconnectReader()
{
try
{
// Disconnect to selected Card Handle
LastError = WinSCard.SCardDisconnect(
_cardHandle,
(int)SCardReaderDisposition.Unpower);
if (!IsSuccess(LastError))
{
return(false);
}
return(true);
}
catch (Exception)
{
throw;
}
}
