private void showMessagesButton_Click(object sender, RoutedEventArgs e) { if (selectedThread == null) { MessageBox.Show("Nie wybrano wątku!", "Błąd", MessageBoxButton.OK); } else { var window = new MessagesWindow(selectedThread, user); window.Show(); Close(); } }
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e) { var window = new MessagesWindow(thread, user); window.Show(); }