/// <summary> Constructor for use when this is called when parsing a string /// /// </summary> /// <param name="sf">the built in function /// </param> /// <param name="ws">the workbook settings /// </param> public Attribute(StringFunction sf, WorkbookSettings ws) { settings = ws; if (sf.getFunction(settings) == NExcel.Biff.Formula.Function.SUM) { options |= sumMask; } else if (sf.getFunction(settings) == NExcel.Biff.Formula.Function.IF) { options |= ifMask; } }