键盘快捷键可以极大地简化我们的工作流程，但是当你被告知使用一个键不清晰的快捷键时，你怎么办？你甚至不确定它是否在你的键盘上？今天的超级用户问答帖子有一个答案，可以帮助沮丧的读者找到他要找的钥匙。

今天的问答环节是由SuperUser提供的，SuperUser是Stack Exchange的一个分支，是一个由社区驱动的问答网站分组。

照片由布莱克帕特森（Flickr）提供。

问题

超级用户读者Shaun Luttin想知道Apps键在面向Microsoft的键盘上的位置：

ConEmu has a shortcut for renaming the current tab. It is Apps Key + R. I have never seen an Apps Key on any keyboard. Where is it located at?

在面向Microsoft的键盘上，应用程序键位于何处？

答案

超级用户贡献者Ramhound为我们提供了答案：

In computing, the Menu Key or Application Key is a key found on Microsoft Windows-oriented computer keyboards, introduced at the same time as the Windows Logo Key. Its symbol is usually a **all icon depicting a pointer hovering above a menu, and it is typically found on the right side of the keyboard between the right Windows Logo Key and the right Control Key (or between the right Alt Key and the right Control Key). While the Windows Logo Key is present on the vast majority of keyboards intended for use with the Windows operating system, the Menu Key is frequently omitted in the interest of space, particularly on portable and laptop keyboards.

The key’s primary function is to launch a Context Menu with the keyboard rather than with the usual Right-Mouse Button. It can be used when the Right-Mouse Button is not present on a mouse.

Some Windows public terminals do not have a Menu Key on their keyboard in order to prevent users from right clicking; however, in many Windows applicati***, a similar functionality can be invoked with the Shift + F10 keyboard shortcut, or sometimes Ctrl + Shift + F10.

Some laptop computers include a menu function on the Fn Key (usually operated by pressing Shift + Fn), however, this generally invokes functi*** built into the vendor’s software and is not the same as the key described above. For example, the Logitech Illuminated Keyboard has an Fn Key where the Menu Key is usually found, pressing it together with the Print Screen Key (above Home) produces the Menu Key function.

Programmers using the Windows API can intercept this key by looking for a WM_KEYDOWN message with wParam VK_APPS (defined as 0x5D in winuser.h). It has the key code 117 (0x75).

Source: Wikipedia – Menu Key

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