private void Connect_Click(object sender, RoutedEventArgs e) { if (string.IsNullOrEmpty(UserName.Text)) { MessageBox.Show("Please, enter username!"); } else { GameClient gameClient = new GameClient(UserName.Text, Thread.CurrentThread); if (gameClient.StartClient()) { MainWindow mainWindow = new MainWindow(gameClient, UserName.Text, ships); mainWindow.Show(); Hide(); } } }