signal callback delegate or function to connect
void callback(gtk.window.Window window, gtk.application.Application application)
window the newly-added gtk.window.Window (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 gtk.window.Window is added to application through gtk.application.Application.addWindow.