protected MainViewModel()
 {
     Photos = new ObservableCollection <NaturePhoto>();
     for (int i = 0; i < 6; i++)
     {
         var photo = ImagesHelper.NaturePhotos.ElementAt(i);
         Photos.Add(NaturePhoto.Create("Nature Photo #" + i.ToString(), photo));
     }
     Photos[5].PinMode = TabPinMode.Right;
 }
 public void AddNewTab(TabControlTabAddingEventArgs e)
 {
     e.Item = NaturePhoto.Create("New Las Vegas Photo", ImagesHelper.GetRandomLasVegasPhoto());
 }