gtk/gtk.go
func (v *Assistant) InsertPage(page IWidget, position int) int {
	c := C.gtk_assistant_insert_page(v.native(), page.toWidget(),
		C.gint(position))
	return int(c)
}
func (v *Assistant) InsertPage(page IWidget, position int) int {
	c := C.gtk_assistant_insert_page(v.native(), page.toWidget(),
		C.gint(position))
	return int(c)
}
// InsertPage is a wrapper around gtk_assistant_insert_page().