/// <summary>
        /// Create a new FriendResidence object.
        /// </summary>
        /// <param name="addressId">Initial value of the AddressId property.</param>
        /// <param name="address">Initial value of the Address property.</param>
        /// <param name="city">Initial value of the City property.</param>
        /// <param name="state">Initial value of the State property.</param>
        /// <param name="zIP">Initial value of the ZIP property.</param>
        public static FriendResidence CreateFriendResidence(global::System.Int32 addressId, global::System.String address, global::System.String city, global::System.String state, global::System.String zIP)
        {
            FriendResidence friendResidence = new FriendResidence();

            friendResidence.AddressId = addressId;

            friendResidence.Address = address;

            friendResidence.City = city;

            friendResidence.State = state;

            friendResidence.ZIP = zIP;

            return(friendResidence);
        }
        static void RunExample()
        {
            using (var context = new EFRecipesEntities())
            {
                var res1 = new FriendResidence {
                    Address = "123 Main", City = "Anytown", State = "CA", ZIP = "90210"
                };
                var res2 = new RelativeResidence {
                    Address = "1200 East Street", City = "Big Town", State = "KS", ZIP = "66026"
                };
                var f = new Friend {
                    Name = "Joan Roland", FriendResidence = res1
                };
                var r = new Relative {
                    Name = "Billy Miner", RelativeResidence = res2
                };
                context.Friends.AddObject(f);
                context.Relatives.AddObject(r);
                context.SaveChanges();
            }

            using (var context = new EFRecipesEntities())
            {
                context.ContextOptions.LazyLoadingEnabled = true;
                foreach (var r in context.Residences)
                {
                    if (r is FriendResidence)
                    {
                        Console.WriteLine("My friend {0} lives at: ", ((FriendResidence)r).Friend.Name);
                    }
                    else if (r is RelativeResidence)
                    {
                        Console.WriteLine("My relative {0} lives at: ", ((RelativeResidence)r).Relative.Name);
                    }
                    Console.WriteLine("\t{0}", r.Address);
                    Console.WriteLine("\t{0}, {1} {2}", r.City, r.State, r.ZIP);
                }
            }

            Console.WriteLine("Press <enter> to continue...");
            Console.ReadLine();
        }