blog-post-using-iterators

eilon-lipson-GetProperties

private static IEnumerable<PropertyValue> GetProperties(object o)
        {
             if (o != null) {
                var props = TypeDescriptor.GetProperties(o);
                foreach (PropertyDescriptor prop in props) {
                    var val = prop.GetValue(o);
                    if (val != null) {
                        yield return new PropertyValue { Name = prop.Name, Value = val };
                    }
                }
            }
        }

        private sealed class PropertyValue
        {
            public string Name { get; set; }
            public object Value { get; set; }
        }

list-of-types

    public class PaginationItem
    {
        public bool Active { get; set; }
        public string Text { get; set; }
        public string Url { get; set; }
    }  

      private IEnumerable<PaginationItem> BuildList(int start, int end)
        {
            while(start <= end)
            {
                yield return new PaginationItem
                                 {
                                     Active = start == _page + 1,
                                     Text = (start).ToString(),
                                     Url = _UrlMaker(start - 1)
                                 };
                start++;
            }
        }

BuildList(start, end).ToList();