using System;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        SortList = new SortedList<string, string>();

        SortList.Add("key1", "value1");

        SortList.Add("key2", "value2");

        SortList.Add("key3", "value3");

        SortList.Add("key4", "value4");

        //Console.Write(SortList);

        //Console.WriteLine(JsonConvert.SerializeObject(new EventPublishingProperty()));

            var abc = new List<(int id, string value)>()

            {

                (1, "one"),

                (2, "two"),

                (3, "three"),

                (12, "twelve"),

                (28, "twenty-eight")

            };

            var xyz = new List<(int id, string value)>()

            {

                (1, "one"),

                (3, "three")

            };

            var diff = new List<(int id, string value)>();

            var xyzIds = xyz.Select(x => x.id);

            diff = abc.Where(a => !xyzIds.Contains(a.id)).ToList();

        Console.WriteLine(JsonConvert.SerializeObject(diff));

    }

    public static SortedList<string, string> SortList { get; set; }

    public class EventPublishingProperty

    {

        public int EventPublishingPropertyId { get; set; }

        public int CompanyId { get; set; }

        public string Url { get; set; }

        public string Topic { get; set; }

        public string SasKeyEdata { get; set; }

​

        public EventPublishingProperty() { }

    }

}