static QTemporaryFile file(QLatin1String("mytemp"));
static void cleanup_ptr()
{
    file.close();
    file.remove();
}

int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);

    if (file.open()) {
        qDebug() << file.fileName();
    }

    qAddPostRoutine(cleanup_ptr);

    return app.exec();
}

#include <QtCore/QCoreApplication>
#include <windows.h>

BOOL CtrlHandler( DWORD fdwCtrlType )
{
  switch( fdwCtrlType )
  {
    // Handle the CTRL-C signal.
    case CTRL_C_EVENT:
      printf( "Ctrl-C event\n\n" );
      Beep( 750, 300 );
      return( TRUE );

    // CTRL-CLOSE: confirm that the user wants to exit.
    case CTRL_CLOSE_EVENT:
      Beep( 600, 200 );
      printf( "Ctrl-Close event\n\n" );
      return( TRUE );

    case CTRL_SHUTDOWN_EVENT:
      Beep( 750, 500 );
      printf( "Ctrl-Shutdown event\n\n" );
      return FALSE;

    default:
      return FALSE;
  }
}

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    if( SetConsoleCtrlHandler( (PHANDLER_ROUTINE) CtrlHandler, TRUE ) )
    {
        printf( "\nThe Control Handler is installed.\n" );
        printf( "\n -- Now try pressing Ctrl+C or Ctrl+Break, or" );
        printf( "\n    try logging off or closing the console...\n" );
        printf( "\n(...waiting in a loop for events...)\n\n" );
    }
    else
        printf( "\nERROR: Could not set control handler");

    return a.exec();
}