main.cpp

#include <QtCore/QCoreApplication>
#include <QtGui/QDesktopServices>

int main(int argc, char *argv[])
{
	QCoreApplication a(argc, argv);
	qDebug("before: %s", qPrintable(QDesktopServices::storageLocation(QDesktopServices::DataLocation)));

	a.setApplicationName("AppName");
	a.setApplicationVersion("1.0");
	a.setOrganizationName("OrgName");
	a.setOrganizationDomain("name.org");
	qDebug("after: %s", qPrintable(QDesktopServices::storageLocation(QDesktopServices::DataLocation)));
}