25.04.2012, 13:16, "Sujan Dasmahapatra" <s...@lmwindpower.com>:
> Is this correct type castting???
>
> MainWindow *mainwinhandle = qobject_cast<MainWindow * >( 
> sheet->parent()->parent()->dataPage()->parent())->statusBar()->showMessage(tr(“A
>  new plot being added”),5000);
>
> It’s crashing…
>

I think we gave you enough pointers, but you're still doing it wrong.

Please read all recommendations once again and don't post your code here until 
you get it working.

-- 
Regards,
Konstantin
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