public void AddUserToChat(string username)
{
var chatClient = new MessageParserClient(username, this);
var chatForm = new ChatForm(this, directoryMonitor.GetUsers(), username);
var clientMessageParser = new MessageParserClient(username, this);
var chatChannel = new ChatChannel(username, clientMessageParser);
chatClients.Add(username, new Tuple <IChatUi, ChatChannel>(chatForm, chatChannel));
directoryMonitor.AddChatUi(chatForm);
}