signal callback delegate or function to connect
bool callback(gio.application.Application application)
application the instance the signal is connected to (optional)
Returns true if the signal has been handled
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to NameLost signal.
The ::name-lost signal is emitted only on the registered primary instance when a new instance has taken over. This can only happen if the application is using the gio.types.ApplicationFlags.AllowReplacement flag.
The default handler for this signal calls gio.application.Application.quit.