The liens of include are those:
Qt Code: 
  1. #include <iostream>
  2. #include <qfont.h>
  3. #include <qtimer.h>
  4. #include <qdom.h>    
  5. #include <qfiledialog.h>   
  6. #include <qprinter.h>
  7. #include <qstatusbar.h>
  8. #include <qpainter.h>
  9. #include <qrect.h>
To copy to clipboard, switch view to plain text mode