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Unbuilding myCOMAddin (V. Easy!)

Posted on 2003-11-22
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Last Modified: 2011-10-03
Hi,

I'm totally new to .NET and I built the Microsoft MyCOMAddin from here,

http://support.microsoft.com/?kbid=302901

After selecting "Build > Build Solution" the addin now puts a message box up whenever I open or close a Office app.

Ok, this is so easy that I'm almost embarrased asking it, but how do I 'unbuild' this app?  I can't find the answer to that anywhere, and the Microsoft docs only cover the build, not unbuild!

Thanks!

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Question by:malramsay
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krznpsk earned 200 total points
ID: 9804835
Remove these registry keys:

HKEY_CURRENT_USER\Software\Microsoft\Office\Access\Addins\MyCOMAddin
HKEY_CURRENT_USER\Software\Microsoft\Office\Excel\Addins\MyCOMAddin
HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\Addins\MyCOMAddin
HKEY_CURRENT_USER\Software\Microsoft\Office\PowerPoint\Addins\MyCOMAddin
HKEY_CURRENT_USER\Software\Microsoft\Office\Word\Addins\MyCOMAddin

that should take care of your Office pop-up problem.
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Expert Comment

by:krznpsk
ID: 9804839
additionally, to completely unregister MyCOMAddin as a COM dll, run this:

regsvr32 /u myAddIn.dll
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Author Comment

by:malramsay
ID: 9804869

Thanks for your help.

I'm still trying to understand how .NET works, as I've only created dll's in VB6.0 before.  Are you telling me that even though .NET can build and register COM dlls itself, the only way to unregister it is to do it manually in 'regedit'?  That doesn't seem very sensible (or am I off the mark here)!??

Also, I tried the regsvr32 command and it told me that the 'specified module could not be found'.  Where does .NET save these dlls? I'm unsure why this command isn't working, as surely the dll would have to be registered for the popup to continue working?
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Expert Comment

by:krznpsk
ID: 9804900
Not exactly... but since Office XP is based on COM, Visual Studio .NET provides that wizard for building and deploying what they call "COM interop assemblies."  MSDN article: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnoxpta/html/odc_oxppias.asp

Actually, .NET assemblies are designed to be placed somewhere else, in what's called the Global Assembly Cache.  This is not the registry... check out gacutil.exe, available from the Visual Studo .NET command Prompt or at C:\Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\Bin\gacutil.exe

gacutil -l will give you a list of registered .NET assemblies in the GAC.  The GAC is equivalent to how COM used the registry to register user-wide or machine-wide assemblies (as opposed to just copying the .dll's around).

You can read about the GAC here: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconWorkingWithAssembliesGlobalAssemblyCache.asp
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Expert Comment

by:krznpsk
ID: 9804901
oh, by the way, the .dll is most likely at this path on your computer:

C:\documents and settings\%USERNAME\My Documents\Visual Studio Projects\MyAddin\MyAddin\bin\MyAddin.dll

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Author Comment

by:malramsay
ID: 9804907

Thanks, I see I have a lot of reading too!
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