Avoiding .NET versioning hell

Posted by moogs on Stack Overflow See other posts from Stack Overflow or by moogs
Published on 2010-03-11T11:04:29Z Indexed on 2010/03/18 5:51 UTC
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.NET

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dll-hell

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visual-studio

So sometimes (oftentimes!) you want to target a specific .NET version (say 3.0), but then due to some .NET service packs you get into problems like:

Dispatcher.BeginInvoke(Delegate, Object[]) <-- this was added in 3.0 SP2 (3.0.30618 )
System.Threading.WaitHandle.WaitOne(Int32) <-- this was added in 3.5 SP1, 3.0 SP2, 2.0 SP2

Now, these are detected by the JIT compiler, so building against .NET 3.0 in Visual Studio won't guarante it will run on .NET 3.0 only systems.

Short of

confirming each and every function you use, or
limiting your development environment to .NET 3.0 (which sucks since you have to develop for other projects too)

what's the best way to avoid against using extensions?

Thanks!

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