gtk:dialog-widget-for-response (dialog response)

dialog -- a gtk:dialog widget
response -- a response ID, that is a positive integer or a value of the gtk:response-type enumeration

The gtk:widget button that uses the given response value, or nil.

Gets the button that uses the given response ID in the action area of the dialog. The gtk:dialog implementation is deprecated since 4.10. Use the gtk:window widget instead.