arcobjects - How do you remove a custom extension?

For example: you run the DesktopExtensionCS2010 sample that comes with the SDK, having it open arcCat at startup.

Now whenever I open ArcCat the extensions are there. I can uncheck them but I want to get rid of them (without hacking the registry).

Answer

If you are using ArcGIS 10.0, use the ESRIRegAsm Utility, for example:

"C:\Program Files\Common Files\ArcGIS\bin\ESRIRegAsm.exe" /p:desktop /u "C:\Test\MyAssembly.dll"

For 9.3.x and earlier you can use regasm.exe like so:

C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe "C:\Test\MyAssembly.dll" /unregister

You would enter one of those commands in the Windows command prompt (Start->Programs->Accessories->Command Prompt).

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