Sets the relief style of the edges of the given #GtkButton widget. Two styles exist, gtk.types.ReliefStyle.Normal and gtk.types.ReliefStyle.None. The default style is, as one can guess, gtk.types.ReliefStyle.Normal. The deprecated value gtk.types.ReliefStyle.Half behaves the same as gtk.types.ReliefStyle.Normal.
The GtkReliefStyle as described above
Sets the relief style of the edges of the given #GtkButton widget. Two styles exist, gtk.types.ReliefStyle.Normal and gtk.types.ReliefStyle.None. The default style is, as one can guess, gtk.types.ReliefStyle.Normal. The deprecated value gtk.types.ReliefStyle.Half behaves the same as gtk.types.ReliefStyle.Normal.