If your application is 64‑bit (recommended for modern Inventor versions), compile your project for x64 . AnyCPU may work but can cause runtime surprises.
Once you have referenced the interop DLL, you typically start by connecting to the . This is the "root" of everything. autodesk.inventor.interop.dll
: It is frequently used with the Apprentice Server , a lightweight version of Inventor used to read/write iProperties and metadata without launching the full CAD UI. 2. Technical Specifications If your application is 64‑bit (recommended for modern
using Inventor; using System.Runtime.InteropServices; autodesk.inventor.interop.dll