public ValueEval getArea3DEval(Area3DPtg aptg) {SheetRangeEvaluator sre = createExternSheetRefEvaluator(aptg.getExternSheetIndex());return new LazyAreaEval(aptg.getFirstRow(), aptg.getFirstColumn(),aptg.getLastRow(), aptg.getLastColumn(), sre);}

public ValueEval GetArea3DEval(Area3DPtg aptg){SheetRangeEvaluator sre = CreateExternSheetRefEvaluator(aptg.ExternSheetIndex);return new LazyAreaEval(aptg.FirstRow, aptg.FirstColumn,aptg.LastRow, aptg.LastColumn, sre);}
