public void Subscribe(CloverTransportObserver observer)
{
CloverTransport me = this;
if (ready)
{
BackgroundWorker bw = new BackgroundWorker();
// what to do in the background thread
bw.DoWork += new DoWorkEventHandler(
delegate (object o, DoWorkEventArgs args)
{
BackgroundWorker b = o as BackgroundWorker;
observer.onDeviceReady(me);
});
bw.RunWorkerAsync();
}
observers.Add(observer);
}