最近一打开vs2010，就出现一个很丑的对话框：please wait while intellisense and browsing information are updated
图片为：
说什么智能感知和浏览信息在更新啥的，然后一直在等一直在等，还是不好，最好无果，之后google之。
官方MSDN上的解决方案是：等把。
大家可以参见这里：（鸟文，英语不行的童鞋请自动google翻译）：
Improving C++ Intellisense Performance with PCH
Thank you to everyone who has submitted feedback on the Visual Studio Release Candidate. We have received feedback that C++ Intellisense performance is slower. One way to improve this is to enable Pre-Compiled Headers usage for Intellisense parser. Andy Rich has written a detailed post on intellisense PCH usage that gives some additional details and explains how to optimize your intellisense engine with PCH. Here are a few of the benefits of using PCH:
· Improves Intellisense parser performance in the IDE
· iPCH is on by default as long as your project is using PCH
Thank you,
Kelly Evans
Visual C++ Team
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