signal callback delegate or function to connect
void callback(gtk.application.Application application)
application the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to QueryEnd signal.
Emitted when the session manager is about to end the session.
This signal is only emitted if propertyGtk.Application:register-session is TRUE. Applications can connect to this signal and call gtk.application.Application.inhibit with gtk.types.ApplicationInhibitFlags.Logout to delay the end of the session until state has been saved.