生产率电动工具扩展程序具有撤消关闭功能.某些为VS2010设计的较旧的扩展程序可能无法在VS2012中正常工作，而且这些扩展程序中的很多功能都已整合到VS2012中.

The Productivity Power Tools extension has the Undo Close functionality. Some of the older extensions designed for VS2010 may not work correctly in VS2012, also quite a lot of functionality from these extensions has been incorporated in VS2012.

在Visual Studio 2012/2013中，使用 CTRL + SHIFT + Z 撤消关闭.

In Visual Studio 2012/2013, use CTRL+SHIFT+Z to undo close.