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I am working on a project to make an Autocad addon for our engineering department. The project is nearly finished, but when I build the project and send the dll to my colleagues for them to add in autocad, it is not working for them. I can not seem to find a solution on the internet. - I am using Visual studio 2019 - Autocad 2020 - I make the dll's by releasing it on a x64 platform - They "netload" it in autocad and the commands that work on my device do not work on theirs

I hope somebody can help me, I am a self thought vb.net engineer for autocad, so I am not that experienced with the basics.

Kris Pain
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2 Answers2

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It's trusted on your device but unless it's signed it won't be trusted on other machines. That is a security requirement to stop unsigned assemblies from running unknown script.

You can use a self signing certificate for your own machine but unless it comes from an known certification authority it may kick up a stink. You could attempt to add it to their Global Assemby Caches or to see some security is blocking it.

Unknown User
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The signing thing should not be required - it works okay here. Some things to check:

  • in VS2019, did you set Copy -> false for the DLLs that are referenced ?
  • when the receiver of your DLL does a right-click on the DLL (in the file explorer), is there an option to unlock the file ? If so, unlock it
  • Use AnyCPU
  • I always distribute the Debug version, maybe give that a try ?
  • is there an error message that you can share ?
Johan B
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  • Thank you for your reply, sorry for my late response. We stepped away from this method and used other means of programming. Because of this, I did no use stackoverflow for a while. I will try to test your solution and accept it if it's working, but I will have to request another working device for testing. My score is too low to upvote your comment, but thank you anyway! – Kris Pain Aug 30 '21 at 11:02
  • A little bit late, but not all DLLs were copied that were referenced. – Kris Pain Jan 25 '22 at 13:04