public void AddItem(ItemVM item) { if (Items == null) { Items = new ObservableCollection <ItemVM>(); } Items.Add(item); }
public void ChosenItem_ItemAdded(ItemVM e) { if (Cart == null) { Cart = new ObservableCollection <ItemVM>(); } Cart.Add(e); }
private void AddToWarenkorb(ItemVM obj) { Warenkorb.Add(obj); }