How to capture exit slot of main window

[jyoti kumar]

In main window, the X button that comes on top right side of the window, how to capture signal onClick corresponding to this button. Basicaaly I want to handle the slot corresponding to the exit button as some pre processing is to be done.

Pls help

[jacek]

Reimplement the close event handler (QWidget::closeEvent()).

[jyoti kumar]

Thanks a lot. That worked.