private void OnAddWeakHandler(object sender, RoutedEventArgs e)
{
var handler = new WeakHandler();
ClickEventManager.AddListener(NotifyButton, handler);
weakHandlers.Add(handler);
}
private IDisposable AddHandler <TSubscriber, TMessage>(TSubscriber subscriber, Action <TSubscriber, TMessage> handler, bool handleDerivedTypes)
where TSubscriber : class
{
var weakHandler = new WeakHandler <TSubscriber, TMessage>(
subscriber,
handler,
handleDerivedTypes);
lock (_weakHandlers)
{
_weakHandlers.AddLast(weakHandler);
}
return(weakHandler);
}
static bool Invoke(WeakHandler wh, object sender, TEventArgs e)
{
if (wh.IsStatic)
{
wh.Handler(null, sender, e);
return(true);
}
var target = wh.Target;
if (target == null)
{
return(false);
}
wh.Handler(target, sender, e);
return(true);
}
public void AddWeakHandler(TEventSource source, TEventHandler handler)
{
WeakHandler handlerSink = new WeakHandler(source, handler);
_handlers.Add(handlerSink);
}
static bool Match(WeakHandler wh, Delegate d)
{
return(ReferenceEquals(wh.Target, d.Target) &&
wh.Method.Equals(d.Method));
}
