Upscaledb.Database.Find C# (CSharp) Method

        public byte[] Find(Transaction txn, byte[] key)
        {
            return Find(txn, ref key, 0);
        }

        private void InsertRecNo()
        {
            Upscaledb.Environment env = new Upscaledb.Environment();
            Database db = new Database();
            byte[] r1 = new byte[5];
            byte[] r2;
            try
            {
                env.Create("ntest.db");
                db = env.CreateDatabase(1, UpsConst.UPS_RECORD_NUMBER);
                r1[0] = 1;
                var k = db.InsertRecNo(r1);
                r2 = db.Find(k);
                checkEqual(r1, r2);

                r1[0] = 2;
                k = db.InsertRecNo(r1);
                r2 = db.Find(k);
                checkEqual(r1, r2);

                r1[0] = 3;
                k = db.InsertRecNo(r1);
                r2 = db.Find(k);
                checkEqual(r1, r2);
            }
            catch (DatabaseException e)
            {
                Assert.Fail("unexpected exception " + e);
            }
            db.Close();
            env.Close();
        }