public static void Main(string[] args)
{
Console.WriteLine("Time to write something to console");
var watcher = new ConsoleQuitMessageSource();
var listener = new ConsoleQuitMessageListener();
listener.Subscribe(watcher);
watcher.WatchConsole();
watcher.Stop();
}
public ConsoleQuitMessageSubscribeToken(ConsoleQuitMessageSource observable, IObserver <EventArgs> observer)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer), "No observer");
}
if (observable == null)
{
throw new ArgumentNullException(nameof(observable), "No observable");
}
_observable = observable;
_observer = observer;
}