System.Data.DataTable.NewIndexDesc C# (CSharp) Method

        private IndexField[] NewIndexDesc(DataKey key)
        {
            Debug.Assert(key.HasValue);
            IndexField[] indexDesc = key.GetIndexDesc();
            IndexField[] newIndexDesc = new IndexField[indexDesc.Length];
            Array.Copy(indexDesc, 0, newIndexDesc, 0, indexDesc.Length);
            return newIndexDesc;
        }