Printing my music

//---------------------------------------------------------
//   printFile
//---------------------------------------------------------
 
void MuseScore::printFile()
      {
#ifndef QT_NO_PRINTER
      LayoutMode layoutMode = cs->layoutMode();
      if (layoutMode != LayoutMode::PAGE) {
            cs->setLayoutMode(LayoutMode::PAGE);
            cs->doLayout();
            }
...
      if (layoutMode != cs->layoutMode()) {
            cs->setLayoutMode(layoutMode);
            cs->doLayout();
            }
#endif
      }

//---------------------------------------------------------
//   LayoutMode
//    PAGE   The normal page view, honors page and line breaks.
//    LINE   The panoramic view, one long system
//    FLOAT  The "reflow" mode, ignore page and line breaks, stave spacer up, fixed and down
//    SYSTEM The "never ending page", page break are turned into line break
//---------------------------------------------------------
 
enum class LayoutMode : char {
      PAGE, FLOAT, LINE, SYSTEM
      };