WorkflowDesigner.DesignSurfaceController.ProcessDeletedActivity C# (CSharp) Method

    private void ProcessDeletedActivity(FunctionActivity activity)
    {
      if (activity == null) return;

      var host = _surface.Children.OfType<ActivityHost>().FirstOrDefault(h => h.Id == activity.Id);
      if (host == null) return;

      host.IncomingLinks.ToList().ForEach(incoming => RemoveItem(incoming.WorkflowLink));
      host.OutgoingLinks.ToList().ForEach(outgoing => RemoveItem(outgoing.WorkflowLink));
      
      _surface.Children.Remove(host);
    }