using System;

using Newtonsoft.Json.Linq;

​

public class Program

{

    public static void Main()

    {

        PrintApiResult("single object", Deserialize(@"

            {

              propertyA: {

                first: ""A"",

                second: ""B""

              },

              somethingElse: 'OnlyOne'

            }"));

        PrintApiResult("array", Deserialize(@"

            {

              propertyA: [

                {

                  first: ""A"",

                  second: ""B""

                },

                {

                  first: ""A"",

                  second: ""B""

                }

              ],

              somethingElse: 'Several'

            }"));

    }

​

    static void PrintApiResult(string name, ApiResult result)

    {

        Console.WriteLine("Results from " + name);

        foreach (var item in result.PropertyA)

        {

            Console.WriteLine("{" + item.First + ", " + item.Second + "}");

        }

        Console.WriteLine(result.SomethingElse);

        Console.WriteLine();

    }

​

    static ApiResult Deserialize(string json)

    {

        JObject j = JObject.Parse(json);

        var propA = j["propertyA"];

        switch (propA.Type.ToString())

        {

            case "Object":

                return new ApiResult {

                    PropertyA = new[]{propA.ToObject<ApiItem>()},

                    SomethingElse = j["somethingElse"].ToObject<string>(),

                };

            case "Array":

                return j.ToObject<ApiResult>();

            default:

                throw new Exception("Invalid json with propertyA of type " + propA.Type.ToString());

        }

    }

}

​

public class ApiResult

{

    public ApiItem[] PropertyA

    {

        get;

        set;

    }

​

    public string SomethingElse

    {

        get;

        set;

    }

}

​

public class ApiItem

{

    public string First

    {

        get;

        set;

    }

​

    public string Second

    {

        get;

        set;

    }

}