private void InputUloha7NazovKatastru_KeyUp(object sender, KeyEventArgs e)
        {
            var nazovKatastru = InputUloha7NazovKatastru.Text;

            if (e.Key == Key.Enter)
            {
                Uloha7List.ItemsSource = AfrikaKataster.Uloha7(nazovKatastru);
            }
        }