/// <summary>
/// Opens a SmartcardReader that has a card inserted with a specified ATR.
/// </summary>
/// <param name="atr">The ATR to search for.</param>
/// <returns>An instance of the SmartcardReader class -or- a null reference if no smartcard reader was found.</returns>
/// <exception cref="ArgumentNullException"><i>atr</i> is a null reference.</exception>
/// <exception cref="SmartcardException">An error occurred while communication with the smartcard reader.</exception>
public static SmartcardReader OpenReader(Atr atr)
{
if (atr == null)
{
throw new ArgumentNullException("atr", ResourceController.GetString("Error_ParamNull"));
}
string[] readers = SmartcardReader.GetReaders();
SmartcardReader sr = null;
foreach (string reader in readers)
{
sr = new SmartcardReader(reader);
sr.Connect();
if (atr.IsMatch(sr.Atr.GetValue()))
{
break;
}
sr.Dispose();
sr = null;
}
return(sr);
}
/// <summary>
/// Opens a SmartcardReader that has a card inserted with a specified ATR.
/// </summary>
/// <param name="atr">The ATR to search for.</param>
/// <returns>An instance of the SmartcardReader class -or- a null reference if no smartcard reader was found.</returns>
/// <exception cref="ArgumentNullException"><i>atr</i> is a null reference.</exception>
/// <exception cref="SmartcardException">An error occurred while communication with the smartcard reader.</exception>
public static SmartcardReader OpenReader(Atr atr) {
if (atr == null)
throw new ArgumentNullException("atr", ResourceController.GetString("Error_ParamNull"));
string[] readers = SmartcardReader.GetReaders();
SmartcardReader sr = null;
foreach(string reader in readers) {
sr = new SmartcardReader(reader);
sr.Connect();
if (atr.IsMatch(sr.Atr.GetValue()))
break;
sr.Dispose();
sr = null;
}
return sr;
}
