该组件是一个页面导航器，它显示一个组合框(如图5所示)。

This component is a page navigator that renders as a combo box (see figure 5).

youdao

该组件通过可配置组合框为用户提供一个按钮，和Checker一样，它支持数目不等的动作和属性。

This component presents a button to the user with a configurable combo box and, like the Checker, supports a variable number of actions and properties.

youdao

在组合框中选择Input组件的名称(本例中，text1)。

Select the name of the Input component (in this case, text1) from the combo box.

youdao