private void _subscribeOriginalCollectionAllEvents(BaseViewModelCollection <TViewModel> collection, bool addEvents)
{
if (collection != null)
{
if (addEvents)
{
collection.CollectionChanged += _originalCollectionOnCollectionChanged;
}
else
{
collection.CollectionChanged -= _originalCollectionOnCollectionChanged;
}
}
}
protected override void UpdatedOriginalCollection(BaseViewModelCollection <TViewModel> collection)
{
base.UpdatedOriginalCollection(collection);
_subscribeOriginalCollectionAllEvents(collection, true);
}