public void next(int delta) {while (--delta >= 0) {if (currentSubtree != null)ptr += currentSubtree.getEntrySpan();elseptr++;if (eof())break;parseEntry();}}

public override void Next(int delta){while (--delta >= 0){if (currentSubtree != null){ptr += currentSubtree.GetEntrySpan();}else{ptr++;}if (Eof){break;}ParseEntry();}}
