Is there anything I should know before converting a large C++ program from VS2005 to VS2008?
Is there anything I should know before converting a large C++ program from VS2005
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Is there anything I should know before converting a large C++ program from VS2005 to VS2008?
I’m working on this very problem right now.
Running WinMerge to see what I’ve changed…
OK, here is what I had to fix in an huge Win32/MFC client application:
Some MFC functions have become virtual (which were not in the past – CWnd::GetMenu for one, if I recall correctly). Also something related to our legacy mouse wheel support (before Windows had built-in mouse wheel support) somehow broke (I just removed the feature, so I never really figured out why that broke).
Some ATL methods (or method params) have changed to const that were not originally (screwed up my overrides).
The Platform SDK is newer – be careful if you’re setting the windows SDK version #defines correctly (we were not in all places – which was dumb). You may now be building with newer versions (Vista/2008) of Win32 structures. This didn’t work so great on my XP box.
STDMETHOD now includes __declspec(nothrow) which is 100% right – except this found some problems in our code. Some interface that was written like it would be exposed through COM, but never was, threw exceptions.
The IDE has a bug where disabled breakpoints don’t show the hollow circle in the margin if you don’t have the break points set to highlight the whole line (which I think is the default for VC++, maybe?).
Most of these issues were due to subtle mistakes in our code or aggressive overloading of MFC/ATL libraries. Since everyone else’s code is perfect, you should be fine 😉