wxCFRef<CFDateFormatterRef> dateFormatter( CFDateFormatterCreate
(NULL, userLocaleRef, dateStyle, timeStyle));
wxCFStringRef cfs = wxCFRetain( CFDateFormatterGetFormat(dateFormatter ));
wxCFRef<CFDateFormatterRef> dateFormatter( CFDateFormatterCreate
(NULL, userLocaleRef, dateStyle, timeStyle));
wxCFStringRef cfs = wxCFRetain( CFDateFormatterGetFormat(dateFormatter ));