public static bool Contains <T> (string messageName, Del <T> handler) where T : LSMessage { object o; if (events.TryGetValue(messageName, out o) == false) { return(false); } FastList <Del <T> > dels = o as FastList <Del <T> >; if (dels == null) { return(false); } if (dels.Contains(handler)) { return(true); } return(false); }