// constractors public ChatRoom(string url) { this.url = url; this.currUser = null; presMsgs = new List <GuiMessage>(); sort = new SortByTime(); filter = new string[3]; filter[0] = "NONE"; filter[1] = ""; filter[2] = ""; // initialize the messages handler with a default filter - NONE HandlerFactory handler = new HandlerFactory(); allMessages = handler.createMessageHandler(); allUsers = handler.createUserHandler(); allMessages.filterByNone(); updatePresMessages(); }