BlogEngine.Core.Web.Navigation.Pager.Pager C# (CSharp) Метод

        public Pager(int page, int pageSize, int listCount)
        {
            if (page < 1) page = 1;
            cnt = listCount;

            var pgs = Convert.ToDecimal(listCount) / Convert.ToDecimal(pageSize);
            var p = pgs - (int)pgs;
            last = p > 0 ? (int)pgs + 1 : (int)pgs;

            if (page > last) page = 1;

            from = ((page * pageSize) - (pageSize - 1));
            to = (page * pageSize);

            // adjust for the last (or single) page
            if (listCount < to) to = listCount;

            // when last item on the last page deleted
            // this will reset "from" counter
            if (from > to) from = from - pageSize;

            if (page > 1)
            {
                prev = page - 1;
                first = 1;
            }

            if (page < last) next = page + 1;
            if (page == last) last = 0;
        }