⚠️ Deprecated ⚠️

This is deprecated since version 4.10.

Use class@Gtk.Window instead

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.

Parameters