private void UpdateActionAvailability() {
    network network = (network) getSelectedItem();

    // CanRemove = SelectedItems != null && SelectedItems.Count > 0;
    getSetAsDisplayCommand()
        .setIsExecutionAllowed(
            getSelectedItems() != null
                && getSelectedItems().size() == 1
                && network != null
                && !(network.getis_display() == null ? false : network.getis_display())
                && network.getStatus() != NetworkStatus.NonOperational);
  }