//otwiera okno dostaw
public void deliveries_button_click(object sender, RoutedEventArgs e)
{
Deliveries_Window deliveries_window = new Deliveries_Window(_loggedInAccount);
this.Close();
deliveries_window.ShowDialog();
}
//dostawy
private void deliveries_button(object sender, RoutedEventArgs e)
{
Deliveries_Window deliveries_window = new Deliveries_Window();
this.Close();
deliveries_window.ShowDialog();
}