private void RestoreReferences(LinkView link)
{
var beginNodeViewId = link.Parameters.BeginNodeViewId;
var endNodeViewId = link.Parameters.EndNodeViewId;
var beginNodeView = AddedNodeViews.Find(box => box.Id.Equals(beginNodeViewId));
var endNodeView = AddedNodeViews.Find(box => box.Id.Equals(endNodeViewId));
link.SetAttachmentNodeViews(ref beginNodeView, ref endNodeView);
}
