gtk:button-relief (object)

object -- a gtk:button widget you want to set relief styles of
style -- a gtk:relief-style value

Accessor of the relief slot of the gtk:button class. The gtk:button-relief function returns the current relief style of the button. The (setf gtk:button-relief) function sets the relief style of the edges of the given button.

Three styles exist, the :normal, :half, :none style. The default style is the :normal style.