public bool Save(TodoCabo model)
        {
            if (model.Id == Guid.Empty)
            {
                model.Id = Guid.NewGuid();
                TheList.Add(model);
                return(true);
            }
            else
            {
                var substitute = TheList.FirstOrDefault(x => x.Id == model.Id);
                substitute = model;
                return(true);
            }

            return(false);
        }
 public void Delete(TodoCabo existing)
 {
     TheList.Remove(existing);
 }