public bool SavePerson(Person person)
        {
            var saveSucceeded = false;
            var personIsValid = person.IsValid;

            if (personIsValid)
            {
                Console.WriteLine("Person is valid, saving person..");
                saveSucceeded = true;
            }

            return saveSucceeded;
        }
 public MainWindowViewModel()
 {
     Person = new Person();
 }