private void MenuItem_Click_4(object sender, RoutedEventArgs e) { OperatorMainFrame.Navigate(new SaleCar()); }
private void MenuItem_Click6(object sender, RoutedEventArgs e) { OperatorMainFrame.Navigate(new spravka2()); }
private void MenuItem_Click_3(object sender, RoutedEventArgs e) { OperatorMainFrame.Navigate(new AddCustomer()); }