void sourceCollection_CollectionChanged(object sender,
NotifyCollectionChangedEventArgs e)
{
cyclicAccessRecord.RecordStepIn(AccessContext.CollectionChanged, sender, this.Name);
if (e.Action == NotifyCollectionChangedAction.Reset)
{
UnhookAllItems();
}
else if (e.OldItems != null && TraversalOptions.TracksCollectionItems) //OldItems is null for Reset
{
RemoveAllItemListeners(e.OldItems);
}
if (e.NewItems != null && TraversalOptions.TracksCollectionItems)
{
AttachAllItemListeners(e.NewItems);
}
RaiseSourceChanged();
cyclicAccessRecord.StepOut();
}
