GTK arranges things so that clicking the button will emit the
[signal@Gtk.Dialog::response] signal with the given @response_id.
The button is appended to the end of the dialog’s action area.
The button widget is returned, but usually you don’t need it.
Adds a button with the given text.
GTK arranges things so that clicking the button will emit the [signal@Gtk.Dialog::response] signal with the given @response_id. The button is appended to the end of the dialog’s action area. The button widget is returned, but usually you don’t need it.