Define menu IDs for use in the window procedure.

定义在窗口过程中使用的菜单项i D值。

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The previously deprecated is back with new functionality, has' label 'and' type 'attributes, and is used to define menu lists with command elements.

之前不赞成使用的带着新功能回归，有“label”和“type”属性，和命令按钮元素一起用于定义菜单列表。

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Most KDE applications will derive from this class as it provides an easy way to define menu and toolbar layouts through XML files (this technology is called XMLGUI).

大多数KDE应用程序会衍生此类别，因为它提供了一个简单的方法，透过XML档案定义选单和工具列的排版(这种技术称为XMLGUI)。

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