protected AreaPtg() {
//Required for clone methods
}
public AreaPtg(String arearef) {
AreaReference ar = new AreaReference(arearef);
setFirstRow((short)ar.getCells()[0].getRow());
setFirstColumn((short)ar.getCells()[0].getCol());
setLastRow((short)ar.getCells()[1].getRow());
setLastColumn((short)ar.getCells()[1].getCol());
setFirstColRelative(!ar.getCells()[0].isColAbsolute());
setLastColRelative(!ar.getCells()[1].isColAbsolute());
setFirstRowRelative(!ar.getCells()[0].isRowAbsolute());
setLastRowRelative(!ar.getCells()[1].isRowAbsolute());
}