signal callback delegate or function to connect
void callback(gtk.app_chooser_button.AppChooserButton appChooserButton)
appChooserButton 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 Activate signal.
Emitted to when the button is activated.
The ::activate signal on gtk.app_chooser_button.AppChooserButton is an action signal and emitting it causes the button to pop up its dialog.