Saturday, December 11, 2010

Why intellisense stops working in Visual Studio 2010

I have some trouble with intellisense in Visual Studio 2010. Occasionally it stops suggesting entries, so it is not really broken, it just does not highlight a suggestion, forcing me to either select it with the mouse, or use arrow keys. The first picture shows it when it is not working, the second picture shows it working:

intellisens not working
intellisense working

The annoying part is that once this happened, I could not fix it, except by restarting Visual Studio, which takes some time. After some searching, it turns out "it's not a bug, it's a feature!".
It is called low-impact intellisense, and it can be toggled with CTRL+ALT+space.

I'm pretty sure that I never type that by mistake, but at least now I know how to turn it back on once it stops working.

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