System.Data.DataKey.GetIndexDesc C# (CSharp) Метод

        internal IndexField[] GetIndexDesc()
        {
            IndexField[] indexDesc = new IndexField[_columns.Length];
            for (int i = 0; i < _columns.Length; i++)
            {
                indexDesc[i] = new IndexField(_columns[i], false);
            }
            return indexDesc;
        }

 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;
 }