Viewer, or the View part of MVC, also ACTS as a widget container; this is the presentation component.

Viewer或者说MVC的视图部分，也充当部件容器；这是表示组件。

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The implementation of the action widget must include some specific events and functions for it to work with the container toolbar widget.

动作小部件的实现中必须包含一些特定的事件和函数，以便它能使用容器工具栏小部件。

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The code snippet shown in Listing 2 specifies that any element (Dojo widget) that needs to be rendered is created in this method and added to the DOM node of the container div.

清单2中显示的代码片段规定：要呈现的任何元素(Dojo widget)都在此方法中创建，并且添加到容器div的DOM节点上。

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