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
The is a critical primary interop assembly (PIA) that acts as a bridge between the Autodesk Inventor COM API and the .NET environment . It allows developers using languages like C# or VB.NET to programmatically control Inventor, automate tasks, and create custom add-ins. 1. Primary Purpose and Functionality autodesk.inventor.interop.dll
If your application is 64‑bit (recommended for modern Inventor versions), compile your project for x64 . AnyCPU may work but can cause runtime surprises. The file is a primary assembly required for