gtk/gtk.go
func (v *ToggleButton) SetMode(drawIndicator bool) {
	C.gtk_toggle_button_set_mode(v.native(), gbool(drawIndicator))
}
func (v *ToggleButton) SetMode(drawIndicator bool) {
	C.gtk_toggle_button_set_mode(v.native(), gbool(drawIndicator))
}
// SetMode is a wrapper around gtk_toggle_button_set_mode().