setstyle problem

hey guys, I need some help. please help me!

I want to set style just one dialog.
I want not to set style the other dialog.
but QWidget::setstyle is not working!
only QApplication::setstyle is working....

but using QApplication::setstyle, all dialog's shape was changed..
All example about style use QApplication::Setstyle.

I'll be crazy...help me!

Which styles? What platform? How are you setting it? When are you setting it?

custom style..I use norwegianwoodstyle that of qt example..

I set style using this code

Code:

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setStyle(new norwegianwoodStyle);

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and try this too.

Code:

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QWidget::setStyle(new norwegianwoodStyle);

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I'm setting it in dialog's constructor.