gtk/button_box.go
func (v *ButtonBox) SetChildNonHomogeneous(child IWidget, nonHomogeneous bool) {
	C.gtk_button_box_set_child_non_homogeneous(v.native(), child.toWidget(), gbool(nonHomogeneous))
}
func (v *ButtonBox) SetChildNonHomogeneous(child IWidget, nonHomogeneous bool) {
	C.gtk_button_box_set_child_non_homogeneous(v.native(), child.toWidget(), gbool(nonHomogeneous))
}
// SetChildNonHomogeneous() is a wrapper around gtk_button_box_set_child_non_homogeneous().