/// <summary>
/// Initializes a new instance of the <see cref="SmartCardReaderChooser"/> class.
/// </summary>
public SmartCardReaderChooser()
{
InitializeComponent();
Application.ApplicationExit += (s, _) =>
{
Action<Action> t = a =>
{
try { a(); }
catch { }
};
if (reader != null)
{
t(() => reader.CloseCard());
t(() => reader.Dispose());
reader = null;
}
};
readersBox.SelectedValueChanged += (s, _) => RefreshUI();
refreshReadersButton.Click += (s, _) => FillReadersList();
openCardButton.Click += (s, _) => OpenCard();
closeCardButton.Click += (s, _) => CloseCard();
}
private void OpenCard()
{
var name = readersBox.SelectedItem as string;
if (string.IsNullOrEmpty(name))
return;
if (reader != null)
{
reader.Dispose();
reader = null;
}
try
{
reader = PcscSmartCardReaderFactory.CreateDevice(name);
reader.OpenCard();
Program.Log(string.Format("Card Opened: {0}", reader.IsCardOpened));
OnSmartCardReaderConnected();
}
catch (Exception ex)
{
Program.LogException(ex);
if (reader != null)
reader.Dispose();
reader = null;
}
RefreshUI();
}
public byte[] Execute(PcscSmartCardReader reader)
{
try
{
if (Le.HasValue)
{
if (Data != null && Data.Length > 0)
return reader.SendCommand(Cla, Ins, P1, P2, Data, Le.Value);
else return reader.SendCommand(Cla, Ins, P1, P2, Le.Value);
}
else
{
if (Data != null && Data.Length > 0)
return reader.SendCommand(Cla, Ins, P1, P2, Data);
else return reader.SendCommand(Cla, Ins, P1, P2);
}
}
catch (Exception ex)
{
Program.LogException(ex);
return null;
}
}
private void CloseCard()
{
try
{
reader.CloseCard();
Program.Log(string.Format("Card Opened: {0}", reader.IsCardOpened));
}
catch (Exception ex)
{
Program.LogException(ex);
}
finally
{
if (reader != null)
reader.Dispose();
reader = null;
OnSmartCardReaderDisconnected();
}
RefreshUI();
}