API_8.Controllers.DemoController.AddMultiService C# (CSharp) Method

        public Dictionary<Type, List<Type>> AddMultiService()
        {
            List<ValueProviderFactory> valueProviderFactories=new List<ValueProviderFactory>(){
            new QueryStringValueProviderFactory(),
            new RouteDataValueProviderFactory(),
            new MyValueProviderFactory()
            };
            RequestContext.Configuration.Services.GetActionInvoker();
            RequestContext.Configuration.Services.ReplaceRange(typeof(ValueProviderFactory), valueProviderFactories);
            return GetAllMultiServices();
        }