ApiExamples.Core.ViewModels.AllTestsService.NextViewModelType C# (CSharp) Метод

        public Type NextViewModelType(TestViewModel currentViewModel)
        {
            var index = All.IndexOf(currentViewModel.GetType());
            var nextIndex = index + 1;
            if (nextIndex < All.Count)
                return All[nextIndex];

            return null;
        }