AddLink/DetachLink

program.cs

using System;
using System.Linq;
using Scratch.RW;

namespace Scratch
{
    internal class Program
    {
        private static DemoService demoService;
        private static Category category;
        private static Product product;

        private static void Main()
        {
            demoService = new DemoService(new Uri("http://services.odata.org/(S(readwrite))/OData/OData.svc/"));
            category = demoService.Categories.Expand("Products").Where(c => c.ID == 1).First();
            product = demoService.Products.Where(p => p.ID == 0).First();

            SimulateCheckEvent(false);
            SimulateCheckEvent(true);
            SimulateCheckEvent(false);
            SimulateCheckEvent(true);
            SimulateCheckEvent(false);
            demoService.SaveChanges();
        }

        public static void SimulateCheckEvent(bool check)
        {
            if (check)
            {
                demoService.AddLink(category, "Products", product);
            }
            else
            {
                demoService.DetachLink(category, "Products", product);
            }
        }
    }
}