private void ListCollectionChanged <T>(DelayLoadingObservableCollection <T> target, NotifyCollectionChangedEventArgs e) where T : class
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
target.Insert(e.NewStartingIndex, (T)e.NewItems[0]);
break;
case NotifyCollectionChangedAction.Move:
target.Move(e.OldStartingIndex, e.NewStartingIndex);
break;
case NotifyCollectionChangedAction.Remove:
target.RemoveAt(e.OldStartingIndex);
break;
case NotifyCollectionChangedAction.Reset:
target.Clear();
break;
case NotifyCollectionChangedAction.Replace:
Debug.Assert(false);
break;
}
}
