如何从 Cocoa 应用程序中显示 Finder 上下文菜单？
我的应用程序中有一个文件列表，我希望允许人们右键单击某个项目并显示与 Finder 相同的上下文菜单。这可能吗？
I have a file listing in my application and I would like to allow people to right-click on an item and show the same contextual menu as Finder does. Is this possible?
The same functionallity but for Windows Explorer is discussed in How do you show the Windows Explorer context menu from a C# application?.
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您无法以任何稳定的方式提取 Finder 的上下文菜单，不是。您也不能告诉 Finder“在此处显示上下文菜单，就好像用户右键单击了该项目一样”。
你必须自己做。
You can't extract the Finder's contextual menu in any stable way, no. Neither can you tell the Finder “show your contextual menu here, as if the user had right-clicked on this item”.
You'll have to make your own.
如果我正确理解了问题...
现在可以通过 Finder 同步扩展在 OS X 10.10 Yosemite 中在 Finder 上下文菜单中显示自定义图标和操作：
https://developer.apple.com/library/ios/documentation/General/Conceptual/ExtensibilityPG/Finder.html
If I understand the question correctly...
Showing a custom icon and action in your Finder Context Menu is now possible in OS X 10.10 Yosemite via a Finder Sync Extension:
https://developer.apple.com/library/ios/documentation/General/Conceptual/ExtensibilityPG/Finder.html