async Task CollectionChanged(NotifyCollectionChangedEventArgs args)
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
await Add(args);
break;
case NotifyCollectionChangedAction.Remove:
await Remove(args);
break;
case NotifyCollectionChangedAction.Replace:
await Replace(args);
break;
case NotifyCollectionChangedAction.Move:
Move(args);
break;
case NotifyCollectionChangedAction.Reset:
await Reload();
break;
default:
throw new ArgumentOutOfRangeException();
}
CollectionItemsSourceChanged?.Invoke(this, args);
}
void CollectionChanged(NotifyCollectionChangedEventArgs args)
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
Add(args);
break;
case NotifyCollectionChangedAction.Remove:
Remove(args);
break;
case NotifyCollectionChangedAction.Replace:
Replace(args);
break;
case NotifyCollectionChangedAction.Move:
Move(args);
break;
case NotifyCollectionChangedAction.Reset:
notifier.NotifyDataSetChanged();
break;
default:
throw new ArgumentOutOfRangeException(nameof(args));
}
CollectionItemsSourceChanged?.Invoke(this, args);
}