Hyena.Query.QueryListNode.ReplaceChild C# (CSharp) Method

        public void ReplaceChild(QueryNode old_child, QueryNode new_child)
        {
            int index = children.IndexOf(old_child);
            if(index < 0) {
                throw new ApplicationException("old_child does not exist");
            }

            children.RemoveAt(index);
            children.Insert(index, new_child);
        }