protected virtual void CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
AddItems(e.NewItems);
break;
case NotifyCollectionChangedAction.Remove:
RemoveItems(e.OldItems);
break;
case NotifyCollectionChangedAction.Move:
case NotifyCollectionChangedAction.Replace:
RemoveItems(e.OldItems);
AddItems(e.NewItems);
break;
default:
ResetCollection();
break;
}
}
protected override void CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
base.CollectionChanged(sender, e);
Reselect();
}