s

#region Invoke
                Action<MsgTaskDialog, Client> _invoker = TryGet(client.ActiveNpc) as Action<MsgTaskDialog, Client>;
                if (_invoker != null) _invoker.Invoke(npcRequest, client);
                #endregion


public static void LoadAllNpcs()
        {
            Console.Write("\t Loading NpcAttribute ... ");
            _Tree = new RedBlackTree<uint, Delegate>();
            var methods = Assembly.GetCallingAssembly().GetTypes()
                     .SelectMany(t => t.GetMethods())
                     .Where(m => m.GetCustomAttributes(typeof(NpcAttribute), false).Length > 0)
                     .ToArray();
            int count = 0;
            foreach (var i in methods)
            {
                foreach (var npcatt in i.GetCustomAttributes(false))
                {
                    Console.Write("\b{0}", Loading.NextChar());
                    NpcAttribute Att = npcatt as NpcAttribute;
                    if (Att != null)
                    {
                        Delegate _Action;
                        _Action = Delegate.CreateDelegate(typeof(Action<MsgTaskDialog, Client>), null, i);
                        if (!_Tree.TryAppend((uint)Att.Type, _Action))
                        {
                            Delegate source = _Tree.TryGetValue((uint)Att.Type);
                            source = Delegate.Combine(source as Delegate, _Action as Delegate);
                            _Tree.AppendOrUpdate((uint)Att.Type, source);
                        }
                        count++;
                    }
                }
            }
            var gc = new Client(null);
            gc.Account = null;
            gc.Entity = new Entity(EntityFlag.Player, false) { Name = "NONE" };
            NpcServer.Dialog.GetDialog(new MsgTaskDialog(true), gc, true);
            Console.WriteLine("\b Ok!");
        }