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Overwriting dlls in MEF

Right now, I'm trying to separate out a set of constantly changing classes into their own dll and dynamically load them using MEF. My problem is that whenever I try and overwrite the dll while the app is running, it says it's in use.

Is th开发者_JS百科ere anyway to configure MEF to let me overwrite the dll and pick up the changes while the app is still running?


This is not an MEF issue - it is your appdomain standard setup that locks the DLL's touched. Check http://www.vistax64.com/powershell/26164-reflection-assembly-loadfile-locks-file.html for a similar issue not involveind MEF.

Basically, do not run on the dll's, make a copy first and work on the copy ;)

Check http://bartdesmet.net/blogs/bart/archive/2006/07/29/4146.aspx for the AppDomain ShadowCopy mechanism ;)


I suspect it will work if you completely unload any AppDomain which currently references the DLL.

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