WpfHint2.Parsing.RangeList.SplitRange C# (CSharp) Method

        public Range SplitRange(Range r, int index)
        {
            var range = new Range { StartIndex = index, Length = r.EndIndex - index };
            r.Length = index - r.StartIndex;

            var node = list.Find(r);
            list.AddAfter(node, range);
            return range;
        }