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Suppose I’d like to edit an Open Source project that’s written in vs2005, and I have vs2010. Is there any way that any user of VS newer that 2005 can read, write, and debug the same project?
The open source project I’m considering this with is Lucene.NET
I haven’t tried using projects on all three, but I’ve certainly managed to get 2005/2008 and 2008/2010 to work together before now.
The key is to take a copy of the solution file (.sln) but not the project files. Let Visual Studio update the project files.
Now when you open the old solution file with the old version of Visual Studio, it will still manage to load the newer project files in my experience. It will give a warning, but will work just fine – again, in my experience.
So you end up keeping two (or three) solution files, each of which needs to be updated when you add a new project, but only one project file per project. I tend to name the solution files based on the version of VS, for example:
Note that if you use some advanced features of the newer version of Visual Studio (e.g. a designer which isn’t available in the older version) then it might well break. But in my experience of relatively simple projects (in terms of there just being code, few fancy designers) it works well. Obviously the projects have to target versions of .NET which the old versions of Visual Studio support too.