public static async Task <bool> Initialize()
{
if (reader == null)
{
try
{
reader = await CardReader.FindAsync();
if (reader == null)
{
throw new Exception();
}
reader.CardAdded += Reader_CardAdded;
reader.CardRemoved += Reader_CardRemoved;
return(true);
}
catch
{
return(false);
}
}
else
{
return(true);
}
}
private static async Task <int> InitializeReader()
{
WriteToLog("InitializeReader");
try
{
if (_reader != null)
{
return((int)ErrorCodes.E_SUCCESS);
//_reader.CardAdded -= Reader_CardAdded;
//_reader.CardRemoved -= Reader_CardRemoved;
//_reader = null;
//WriteToLog("ClearReader");
}
var readers = CardReader.GetReaderNames().ToArray();
string currReader = "";
if (readers.Length > 0)
{
//var r = new ReaderSelect();
//r.Init(readers);
//r.ShowDialog();
var configPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) ?? "\\",
"Mifaread3.ini");
//MessageBox.Show($"LIB IN {configPath}");
var config = new INIHelper(configPath);
WriteToLog($"ini file:{configPath}");
currReader = (string.IsNullOrWhiteSpace(_readerName) ? config["LogicalDevice"] : _readerName);
//currReader = config["LogicalDevice"];
}
WriteToLog($"select reader:{currReader}");
if (!readers.Contains(currReader))
{
currReader = readers.First();
}
_reader = await CardReader.FindAsync(currReader);
WriteToLog($"reader is:{currReader}");
if (_reader != null)
{
_reader.CardAdded += Reader_CardAdded;
_reader.CardRemoved += Reader_CardRemoved;
}
return((int)ErrorCodes.E_SUCCESS);
}
catch (Exception e)
{
WriteToLog($"InitializeReader ERROR!!!\r\n {e}");
return((int)ErrorCodes.E_GENERIC);
}
}
/// <summary>
/// Enumerates NFC reader and registers event handlers for card added/removed
/// </summary>
/// <returns>None</returns>
async private void GetDevices()
{
try
{
Reader = await CardReader.FindAsync();
if (Reader == null)
{
PopupMessage("No Readers Found");
return;
}
Reader.CardAdded += CardAdded;
Reader.CardRemoved += CardRemoved;
}
catch (Exception e)
{
PopupMessage("Exception: " + e.Message);
}
}
/// <summary>
/// Creates The Scanner Object
/// </summary>
/// <param name="sender"></param>
/// <param name="ev"></param>
private async void cmdConnectScanner_Click(object sender, EventArgs ev)
{
if (cmbScanners.SelectedIndex == -1)
{
return;
}
try
{
reader = await CardReader.FindAsync(cmbScanners.Text);
reader.CardAdded += CardAdded;
reader.CardRemoved += CardRemoved;
}
catch (Exception e)
{
Console.WriteLine(e);
}
lblCardPresence.Invoke(new Action(() => lblCardPresence.Text = "No Card Present"));
}
public static async Task Initialize()
{
// Clear out any old event handlers
cardAdded = null;
cardRemoved = null;
if (reader != null)
{
return;
}
context = SynchronizationContext.Current;
var r = await CardReader.FindAsync();
if (r != null)
{
reader = r;
reader.CardAdded += OnCardAdded;
reader.CardRemoved += OnCardRemoved;
}
}
public async void ListReadersTest()
{
var reader = await CardReader.FindAsync();
Assert.NotNull(reader);
}
