public static RfIdhpr GetReader(int Port, int Baud)
{
if (_reader == null)
_reader = new RfIdhpr(Port, Baud);
return _reader;
}
// Protected implementation of Dispose pattern.
protected virtual void Dispose(bool disposing)
{
if (disposed)
return;
if (disposing)
{
prevCardSn = "";
Disconnect();
if (CardRead != null)
{
var delegates = CardRead.GetInvocationList();
foreach (Delegate d in delegates)
CardRead -= (d as EventHandler<RfIdReadEvent>);
}
if (ReaderConnectionStateChanged != null)
{
var delegates = ReaderConnectionStateChanged.GetInvocationList();
foreach (Delegate d in delegates)
ReaderConnectionStateChanged -= (d as EventHandler<RfIdConnectionEvent>);
}
_reader = null;
}
// Free any unmanaged objects here.
//
disposed = true;
}
/// <summary>
/// Start polling the reader
/// </summary>
private void ActivateReader()
{
if (reader != null)
{
reader.Dispose();
reader = null;
return;
}
reader = RfIdhpr.GetReader(Port, Baud);
reader.ReaderConnectionStateChanged += (o, e) => { UpdateStatus(e.Connected); };
if (reader.Connect())
{
reader.CardRead += (o, e) =>
{
if (!string.IsNullOrEmpty(e.CardSN))
_dal.AddLogin(e.CardSN);
};
reader.StartPolling();
}
else
{
MessageBox.Show("קורא כרטיסים איננו מחובר", "שגיאה", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
if (reader != null)
{
reader.Dispose();
reader = null;
}
}
}