The official "Autodesk Inventor Add-in" templates handle interop references correctly out of the box.
Rebuild as last resort
: Usually set to False to avoid issues with event handling and specific COM types. autodesk.inventor.interop.dll
The Autodesk.Inventor.Interop.dll is the primary interface library used to develop custom add-ins and standalone applications that interact with the . It serves as a COM interop assembly, allowing .NET languages like C# and VB.NET to communicate with Inventor's underlying COM-based objects. Key Functions and Usage autodesk.inventor.interop.dll