private void InputUloha7NazovKatastru_KeyUp(object sender, KeyEventArgs e)
{
var nazovKatastru = InputUloha7NazovKatastru.Text;
if (e.Key == Key.Enter)
{
Uloha7List.ItemsSource = AfrikaKataster.Uloha7(nazovKatastru);
}
}