void OnItemsSourceChanged(bool fromGrouping = false)
{
ListProxy.CollectionChanged -= OnProxyCollectionChanged;
IEnumerable itemSource = GetItemsViewSource();
if (itemSource == null)
{
ListProxy = new ListProxy(new object[0]);
}
else
{
ListProxy = new ListProxy(itemSource);
}
ListProxy.CollectionChanged += OnProxyCollectionChanged;
OnProxyCollectionChanged(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
public ProxyEnumerator(ListProxy proxy)
{
_proxy = proxy;
_version = proxy._version;
}
internal void ForceUpdate()
{
ListProxy.Clear();
}
