public void Add <TMessage>(WeakAction <TMessage> action)
{
dictionary.AddOrUpdate(typeof(TMessage), t => new HashSet <WeakActionBase> {
action
}, (t, l) => { l.UnionWith(new[] { action }); return(l); });
}
public void Register <TMessage>(object recipient, Action <TMessage> action, Func <TMessage, bool> filter)
{
var weakAction = new WeakAction <TMessage>(recipient, action, filter);
weakActionsDictionary.Add(weakAction);
}