Title menu: It indicates which program you are currently working in.

标题菜单：它表明你当前正工作在哪一个程序。

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Its value is a widget object that defines the content to be displayed within the window below the title and menu bars.

它的值是一个小部件对象，它定义了窗口中在标题和菜单栏以下显示的内容。

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Navigator does not show custom actions in the navigator title bar pull-down menu.

导航器无法在导航器标题栏下拉菜单中显示定制的动作。

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