Each of these methods will return null if its opposite component or window is in a different context.

如果其对立组件或窗口处于一个不同的上下文，这些方法中每一个都会返回空。

youdao

It adds a variety of custom search widgets to an optional toolbar of each browser window, and also enhances the context pop-up.

它为每个浏览器窗口可选工具栏中增加了多种定制的搜索部件，并改进了上下文弹出菜单。

youdao

Right-click on the service and choose Properties from the context menu, to get the properties window for the service (Figure 2).

右键单击该服务，然后选择上下文菜单中的“属性”菜单项，此时显示该服务的属性窗口。

youdao

In the other context, you know in a Window and a Windows machine, you close it with the X on the top right hand corner, where do you close it in the Mac?

还有一个就是，在Windows操作系统下,当你要关闭某个东西时，需要点击,右上角的“X“,那在Mac操作系统下呢？

哈佛公开课 - 计算机科学课程节选

As before, Haier's seeing business potential in the device, and will be showing it off in the context of a window display at this year's show.

ENGADGET: Haier celebrates IFA with ultra high def 3D, transparent and eye-controlled TVs

All this is interesting in the context of a 2007 Fed effort to destigmatize discount window lending.

FORBES: Public, 2; Fed, 0