private void createNetworkBtn_Click(object sender, RoutedEventArgs e)
{
if (!FormValidation.isConfigurationValid(configurationBox, out string configurationError))
{
networkStatus.Content = configurationError;
return;
}
configuration = new Configuration(configurationBox.Text);
network = new Network(configuration);
reset();
networkStatus.Content = "Sieć utworzona";
}