iTextSharp.text.pdf.events.IndexEvents.GetSortedEntries C# (CSharp) Method

        public ArrayList GetSortedEntries() {

            Hashtable grouped = new Hashtable();

            for (int i = 0; i < indexentry.Count; i++) {
                Entry e = (Entry) indexentry[i];
                String key = e.GetKey();

                Entry master = (Entry) grouped[key];
                if (master != null) {
                    master.AddPageNumberAndTag(e.GetPageNumber(), e.GetTag());
                } else {
                    e.AddPageNumberAndTag(e.GetPageNumber(), e.GetTag());
                    grouped[key] = e;
                }
            }

            // copy to a list and sort it
            ArrayList sorted = new ArrayList(grouped.Values);
            sorted.Sort(0, sorted.Count, comparator);
            return sorted;
        }