vs2012 切换语言

1. 安装语言包

http://go.microsoft.com/?linkid=9810283

2. 切换语言

To set the language that is used for the UI text in Visual Studio

1. On the Tools menu, click Options.

2. In the Options dialog box, expand Environment and then click International Settings.

3. In the Language list, choose the language in which the UI text should appear in the development environment.

   To have the UI text in the IDE match the operating system display language setting, select Same as Microsoft Windows.

参考：

1. Visual Studio 2012 trial software and language packs

http://www.microsoft.com/visualstudio/eng/downloads#d-ultimate

2. Microsoft Language Interface Packs (LIPs) and Visual Studio

http://msdn.microsoft.com/en-us/library/ms246590.aspx