if (ptg instanceof Area3DPtg) {
Area3DPtg aptg = (Area3DPtg) ptg;
return ec.getArea3DEval(aptg.getFirstRow(), aptg.getFirstColumn(), aptg.getLastRow(), aptg.getLastColumn(), aptg.getExternSheetIndex());
}
if (ptg instanceof RefPtg) {
RefPtg rptg = (RefPtg) ptg;
return ec.getRefEval(rptg.getRow(), rptg.getColumn());
}
if (ptg instanceof AreaPtg) {
AreaPtg aptg = (AreaPtg) ptg;
return ec.getAreaEval(aptg.getFirstRow(), aptg.getFirstColumn(), aptg.getLastRow(), aptg.getLastColumn());
}