Notification that a Window is about to be closed. 更多...
| Since: | Qt 5.1 |
Notification that a window is about to be closed by the windowing system (e.g. the user clicked the title bar close button). The CloseEvent contains an accepted property which can be set to false to abort closing the window.
另请参阅 QQuickWindow::closing() .
| accepted : bool |
This property indicates whether the application will allow the user to close the window. It is true by default.
