public void OnNewPublisherChanged()
 {
     if (SelectedPublisher == null)
     {
         return;
     }
     NewPublisher.PropertyChanged -= OnNewPublisherOnPropertyChanged;
     NewPublisher.CopyProperties(SelectedPublisher);
     NewPublisher.PropertyChanged += OnNewPublisherOnPropertyChanged;
     NewPublisher.Id = SelectedPublisher.Id;
 }