Thanks.

Ok, tried that, this is what I now have :

Qt Code:
  1. CanScene* pcanScene = new CanScene(this);
  2. pcanScene->setSceneRect( QRectF( 0, 0, 5000, 5000 ) );
  3. pcanScene->setBackgroundBrush(Qt::blue);
  4. QGraphicsView view(pcanScene);
  5.  
  6. QMdiSubWindow* subWindow = m_pworkspace->addSubWindow( &view );
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Still not blue background and paint event not being called?

Regards,
Steve