The method shown in Listing 20 can further be modified as shown in Listing 21, so that the selected nodes keep their style when clicking on a disabled node after an enabled node was already selected.

清单20中所示的方法可以进一步修改，以使这些选中的节点能在一个启用了的节点被选中后单击某个被禁用的节点时仍保持其样式，如清单21所示。

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If, however, you're in a static method, you have to get the root node and provide the package yourself, as shown in Listing 2.

但是，如果您使用的是静态方法，您就必须得到根节点并自己提供包，如清单2所示。

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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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