protected void OnUnpublishCommand(object sender, CommandEventArgs e)
        {
            var item = ie.CurrentItem;

            VersioningExtensions.Unpublish(Engine.Persister, item);

            // item.State = ContentState.Unpublished;
            // Engine.Persister.Save(item);
            Refresh(item, ToolbarArea.Both);
        }
 public virtual void MarkForFuturePublishing(ContentItem item, DateTime futureDate)
 {
     VersioningExtensions.MarkForFuturePublishing(changer, item, futureDate);
 }