@observe(('items', 'to_string', 'to_icon'))
    def _refresh_proxy(self, change):
        if self.proxy_is_active:
            self.proxy.request_items_refresh()
An observer which requests an items refresh from the proxy.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/widgets/object_combo.py/ObjectCombo._refresh_proxy