signal callback delegate or function to connect
void callback(gtk.window.Window window, gtk.application.Application application)
window the newly-added #GtkWindow (optional)
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 WindowAdded signal.
Emitted when a #GtkWindow is added to application through gtk.application.Application.addWindow.