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XUL树。 如何查询nsITreeView

[英]XUL Tree. How to query nsITreeView

How to use nsI* interfaces in JS of FireFox Addon? 如何在FireFox插件的JS中使用nsI *接口? I know about that: https://developer.mozilla.org/en-US/docs/XUL/tree and I want use nsITreeView: https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsITreeView 我知道: https//developer.mozilla.org/en-US/docs/XUL/tree ,我想使用nsITreeView: https : //developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsITreeView

I don't find any info about calling this interface via JS for selected tree: 我找不到有关通过选定树的JS调用此接口的任何信息:

var t = document.getElementById('MySuperTree'); //How to get interface for THIS tree? 

Can anybody give me simple example? 有人可以给我简单的例子吗?

Sorry. 抱歉。 Question solved. 问题解决了。 Just use: 只需使用:

mySuperTree.view.<nsIViewTree Interface usage>

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