Visual Studio 2012: Syntax Highlighting is turning off and on

Question

I\'m using VS2012 and I\'m quite happy with it. But the problem is, whem I\'m coding in C++, that the syntax highlighting is turning off an on all over again. Sometimes, the

Answer 1

This is a bug in Visual Studio 2012:

https://connect.microsoft.com/VisualStudio/feedback/details/760154/syntax-highlighting-sometimes-not-working

Answer 2

I installed Visual Studio 2012 Update 3 yesterday and started experiencing the exact same behavior described in the original post. Based on some suggestions in this thread, I took at look at my extensions, and disabling AllMargins fixed the issue. I've since re-enabled AllMargins and everything appears to be working as it should.

Try disabling and re-enabling any of your extensions; hopefully that will fix the issue for you.

Answer 3

I had the same problem. Disabling the extentions sadly did not work for me.
After searching around and realizing that it only happened on larger files,
I got it to work by turning harware acceleration off.

Tools->Options...->Environment->General
*Automatically adjust [...] (off)
*Use hardware graphics acceleration (off)