public int CompareTo(ImageDetailedListViewItem newImageDetailedListViewItem)
 {
     return(-CommentSetDate.CompareTo(newImageDetailedListViewItem.CommentSetDate));
 }
 public int CompareTo(PhotoCommentsUpdatesViewItem newPhotoCommentsUpdatesViewItem)
 {
     return(-CommentSetDate.CompareTo(newPhotoCommentsUpdatesViewItem.CommentSetDate));
 }