public MainViewModel()
{
_biograf = Biograf.Instance;
_selectedFilm = null;
_forestillingsListe = _biograf.AlleForestillinger;
selectedForestilling = _forestillingsListe[0];
_salViewModel = new SalViewModel(selectedForestilling.Sal, selectedForestilling.AlleBookinger);
}
public ForestillingViewModel()
{
_forestilling = MainViewModel.selectedForestilling;
_salViewModel = new SalViewModel(_forestilling.Sal, _forestilling.AlleBookinger);
_instance = this;
}