WIKI de Bertrand VANDEPORTAELE

http://doc.trolltech.com/4.6/examples.html

http://doc.trolltech.com/4.6/graphicsview.html

#include <qmessagebox.h>

QMessageBox::information( this, "Application name",
                              "Unable to find the user preferences file.\n"
                              "The factory default will be used instead." );