Changing the date format

XNumberFormatTypes xFormatTypes = (XNumberFormatTypes) UnoRuntime.queryInterface(XNumberFormatTypes.class, xNumberFormats);
int myDateFormat = xNumberFormats.addNew("DD.MM.YY HH:MM:SS AM/PM", defaultLocale);
XPropertySet cellRangePropSet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, cellRange);
cellRangePropSet.setPropertyValue("NumberFormat", new Integer(myDateFormat));