static void Main(string[] args)
{
SCardContext ctx = new SCardContext();
ctx.Establish(SCardScope.System);
string[] readernames = ctx.GetReaders();
if (readernames == null || readernames.Length < 1)
throw new Exception("You need at least one reader in order to run this example.");
// Receive the ATR of each reader by using the GetAttrib function
foreach (string name in readernames)
{
SCardReader reader = new SCardReader(ctx);
Console.Write("Trying to connect to reader.. " + name);
// Connect to the reader, error if no card present.
SCardError rc = reader.Connect(
name,
SCardShareMode.Shared,
SCardProtocol.Any);
if (rc == SCardError.Success)
{
// Reader is now connected.
Console.WriteLine(" done.");
// receive ATR string attribute
byte[] atr;
rc = reader.GetAttrib(SCardAttr.ATRString, out atr);
if (rc != SCardError.Success)
// ATR not supported?
Console.WriteLine("Error by trying to receive the ATR. "
+ SCardHelper.StringifyError(rc) + "\n");
else
{
Console.WriteLine("ATR: " + StringAtr(atr) + "\n");
}
// Disconnect
reader.Disconnect(SCardReaderDisposition.Leave);
}
else
{
// Probably no SmartCard present.
Console.WriteLine(" failed. " + SCardHelper.StringifyError(rc) + "\n");
}
}
ctx.Release();
return;
}
public static void Main() {
var context = new SCardContext();
context.Establish(SCardScope.System);
var readerNames = context.GetReaders();
if (readerNames == null || readerNames.Length < 1) {
Console.WriteLine("You need at least one reader in order to run this example.");
Console.ReadKey();
return;
}
// Receive the ATR of each reader by using the GetAttrib function
foreach (var readerName in readerNames) {
var reader = new SCardReader(context);
Console.Write("Trying to connect to reader.. " + readerName);
// Connect to the reader, error if no card present.
var rc = reader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any);
if (rc != SCardError.Success) {
Console.WriteLine(" failed. No smart card present? " + SCardHelper.StringifyError(rc) + "\n");
} else {
Console.WriteLine(" done.");
// receive ATR string attribute
byte[] atr;
rc = reader.GetAttrib(SCardAttribute.AtrString, out atr);
if (rc != SCardError.Success) {
// ATR not supported?
Console.WriteLine("Error by trying to receive the ATR. {0}\n", SCardHelper.StringifyError(rc));
} else {
Console.WriteLine("ATR: {0}\n", BitConverter.ToString(atr ?? new byte[] {}));
}
reader.Disconnect(SCardReaderDisposition.Leave);
}
}
// We MUST release here since we didn't use the 'using(..)' statement
context.Release();
Console.ReadKey();
}
