>Sounds more like a refactoring gone bad. I've not seen that behavior in the C# editor and I'm sure if it was an issue with VS, it would have been reported.
>
>But...and you won't like this.... 2000 lines above? Sounds like some code refactorings are in order. And unit tests should have caught the issues you reported.

I have simulated that in smaller pieces of code.

BTW, those 2000 lines are within about 20 methods.