Add method to go to a specific QWizard page number

QWizard::back()

QWizard::next

void StartupWizard::OnPageNumMove(int pageIdToMove)
{ 
  if(currentId()==pageIdToMove) 
       return;  
  else 
  { 
    if(currentId()<pageIdToMove)
      while (pageIdToMove!=currentId()) 
       this->next();  
     else 
       while (pageIdToMove!=currentId())
         this->back(); 
  } 
}