public void CopyFrom(ItemBase item)
 {
     ResourceId = item.ResourceId;
         FileName = item.FileName;
         Received = item.Received;
         Processed = item.Processed;
         IsProcessed = item.IsProcessed;
 }
 public ItemBase(ItemBase item)
 {
     CopyFrom(item);
 }
 public FullItem(ItemBase item)
     : base(item)
 {
 }