Hi guys ,

I have created an application which contains 100k rectangles and millions of lines.
In both Qt3.3.6( using QCanvas ) and Qt4.2( using QGraphicsScene).

The problem with Qt4.2 is scrolling (with scrollbars) which consumes lot of time.But the same thing
runs smoothly in Qt3.3.6.

Guys, pls let me know the reason for why it takes lot of time .

And is there any property, i need to set in QGraphicsView to improve the same.

Thanks