public Window1() { CheckInstance(); InitializeComponent(); if (System.Configuration.ConfigurationManager.AppSettings["LogUserMessages"] == "true") { logUserMessagesMenuItem.IsChecked = true; } else { logUserMessagesMenuItem.IsChecked = false; } mainServer = new ChatServer(); txtIp.Text = mainServer.getSelfIpAddress(); ChatServer.StatusChanged += new StatusChangedEventHandler(mainServer_StatusChanged); }