//ctor
 public FindOwerviewWindowViewModel(DetailedFindModel find)
 {
     Find                 = find;
     SelectedImage        = find.Images.FirstOrDefault();
     PreviousImageCommand = new DelegateCommand(GetPreviousImage, CanGetImage);
     NextImageCommand     = new DelegateCommand(GetNextImage, CanGetImage);
 }
 private void OpenFindOverviewWindow(object obj)
 {
     if (obj != null)
     {
         DetailedFindModel find = _findRepository.GetFindById((obj as FindsQuickViewModel).Id);
         dialogService.OpenWindow(new FindOwerviewWindowViewModel(find));
     }
 }