code: def _set(self, name, value):
          "Proxy to set a property of the widget element."
          return self.widget(self.widget_element._set(name, value)f _set(self, name, value):
          "Proxy to set a property of the widget element."
          return self.widget(self.widget_element._set(name, value))
docs: Proxy to set a property of the widget element.