⚠️ Deprecated ⚠️

This is deprecated since version 4.10.

Using method@Gdk.Toplevel.set_startup_id is sufficient

Indicates to the GUI environment that the application has finished loading, using a given identifier.

GTK will call this function automatically for ../gtk4/class.Window.html with custom startup-notification identifier unless ../gtk4/method.Window.set_auto_startup_notification.html is called to disable that feature.

Parameters