System.Data.DataSet.SerializeRelations C# (CSharp) Method

        private void SerializeRelations(SerializationInfo info, StreamingContext context)
        {
            ArrayList relationList = new ArrayList();

            foreach (DataRelation rel in Relations)
            {
                int[] parentInfo = new int[rel.ParentColumns.Length + 1];

                parentInfo[0] = Tables.IndexOf(rel.ParentTable);
                for (int j = 1; j < parentInfo.Length; j++)
                {
                    parentInfo[j] = rel.ParentColumns[j - 1].Ordinal;
                }

                int[] childInfo = new int[rel.ChildColumns.Length + 1];
                childInfo[0] = Tables.IndexOf(rel.ChildTable);
                for (int j = 1; j < childInfo.Length; j++)
                {
                    childInfo[j] = rel.ChildColumns[j - 1].Ordinal;
                }

                ArrayList list = new ArrayList();
                list.Add(rel.RelationName);
                list.Add(parentInfo);
                list.Add(childInfo);
                list.Add(rel.Nested);
                list.Add(rel._extendedProperties);

                relationList.Add(list);
            }
            info.AddValue("DataSet.Relations", relationList);
        }