private void NotifyItemUpdatedWorker(NotificationArgs args)
{
ItemPropertyChanged(args);
if (IsRealItem(ParentItem))
{
NotificationArgs parentArgs = args;
parentArgs.ChangeSource = HierarchicalChangeSource.ChildItem;
ParentItem.NotifyItemUpdatedWorker(parentArgs);
}
if (IsRealItem(OwnerItem))
{
NotificationArgs ownerArgs = args;
ownerArgs.ChangeSource = HierarchicalChangeSource.OwnedItem;
OwnerItem.NotifyItemUpdatedWorker(ownerArgs);
}
}