using System;

using System.Collections.Generic;

using System.IO;

using System.Text;

using Newtonsoft.Json;

​

public class Program

{

    public static void Main()

    {

        string jsonStr = "{\"myProperty\": \"foo\"}{\"myProperty\": \"bar\"}{\"myProperty\": \"baz\"}";

        using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(jsonStr)))

        {

            IEnumerable<MyClass> result = ReadJson<MyClass>(stream);

            foreach (var item in result)

            {

                Console.WriteLine(item.MyProperty);

            }

        }

    }

    public static IEnumerable<TResult> ReadJson<TResult>(Stream stream)

    {

        var serializer = new JsonSerializer();

        using (var reader = new StreamReader(stream))

        using (var jsonReader = new JsonTextReader(reader))

        {

            jsonReader.SupportMultipleContent = true;

            while (jsonReader.Read())

            {

                yield return serializer.Deserialize<TResult>(jsonReader);

            }

        }

    }   

}

​

public class MyClass

{

    public string MyProperty { get; set; }

}