~upd~ | Autodesk.inventor.interop.dll

Autodesk.Inventor.Interop.dll

The file is a primary assembly required for developers to interface with the Autodesk Inventor API using .NET languages like C# or VB.NET. It acts as a bridge (COM interop) between managed .NET code and Inventor's underlying COM-based object model. Key Locations

1. The "Two-Dot" Problem (RCW Cleanup)

The most notorious issue: failing to release COM references properly leads to Inventor processes not closing after your app finishes. The interop doesn’t auto-manage this. You’ll find yourself writing defensive code like: autodesk.inventor.interop.dll

  • Autodesk Inventor (any version from 2012 onward) must be installed on the machine where you compile or run the code.
  • .NET Framework (typically 4.8 or .NET Core/.NET 5/6/7/8 with compatibility)
  • Administrator rights may be required to register the DLL for COM interop.

Conclusion

  1. Understanding the object model is essential when using this DLL. Autodesk