public void CreateJson()
        {
            // Windows.Data.Json
            // -----------------
            JsonObject jsonObject = new JsonObject
            {
                {"CPU", JsonValue.CreateStringValue("Intel")},
                {
                    "Drives", new JsonArray
                    {
                        JsonValue.CreateStringValue("DVD read/writer"),
                        JsonValue.CreateStringValue("500 gigabyte hard drive")
                    }
                }
            };
            string json1 = jsonObject.Stringify();

            // LINQ to JSON
            // ------------
            JObject jObject = new JObject
            {
                {"CPU", "Intel"},
                {
                    "Drives", new JArray
                    {
                        "DVD read/writer",
                        "500 gigabyte hard drive"
                    }
                }
            };
            string json2 = jObject.ToString();
        }