using System;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string json = @"

            {

              ""$schema"": ""http://json-schema.org/draft-04/schema#"",

              ""title"": ""actionRegulation"",

              ""type"": ""object"",

              ""properties"": {

                ""id"": {

                  ""type"": ""string"",

                  ""description"": ""Identifiant technique de l'action de régulation.""

                },

                ""description"": {

                  ""type"": ""string"",

                  ""description"": ""Description de l'action de régulation.""

                },

                ""idSituation"": {

                  ""type"": ""string"",

                  ""description"": ""situations/id : identifiant technique de la situation.""

                },

                ""pointsJalonnement"": {

                  ""type"": ""array"",

                  ""items"": {

                    ""title"": ""PointJalonnement"",

                    ""type"": ""object"",

                    ""properties"": {

                      ""rang"": {

                        ""type"": ""integer"",

                        ""description"": ""Rang du point de jalonnement.""

                      },

                      ""refJalon"": {

                        ""type"": ""string"",

                        ""description"": ""Référence du point de jalonnement (PR/CR-CI-CH).""

                      },

                      ""typeModification"": {

                        ""type"": ""string"",

                        ""description"": ""Renseigné que si modification d'horaire (utile à IENA).""

                      }

                    }

                  }

                }

              }

            }"; 

        var obj = JObject.Parse(json);

​

        IEnumerable<JToken> rawProperties = obj["properties"]

            .Children<JProperty>()

            .Where(jp => (string)jp.Value["type"] != "array");

​

        foreach (JToken token in rawProperties)

        {

            Console.WriteLine(token);

        }

    }

}