xCellProp.setPropertyValue( "NumberFormat", new Integer( iNewNumberFormat ) );
// interate over all cells from the cellrange with an content and use the DM/EUR factor
XCellRangesQuery xCellRangesQuery = (XCellRangesQuery) UnoRuntime.queryInterface(
com.sun.star.sheet.XCellRangesQuery.class, xCellRange );
XSheetCellRanges xSheetCellRanges = xCellRangesQuery.queryContentCells(
(short) com.sun.star.sheet.CellFlags.VALUE );
if( xSheetCellRanges.getCount() > 0 ) {
XEnumerationAccess xCellEnumerationAccess = xSheetCellRanges.getCells();
XEnumeration xCellEnumeration = xCellEnumerationAccess.createEnumeration();