How Visual Studio Intellisense works?

Question

Can somebody please shed light on how exactly intellisense works in Visual Studio?

Answer 1

Here's an MSDN article providing an overview. It discusses features, language specific topics, customation, when it's not available and a number of other topics.

Answer 2

The secret behind intellisense is Build Providers, which run in the background. This article will throw more light on this topic:

http://aspalliance.com/1102_Creating_a_Custom_BuildProvider_in_ASPNET_20

Hope this helps,