Autodesk.inventor.interop.dll ((install)) Jun 2026

// Now use strongly-typed API Document doc = inventorApp.Documents.Add(DocumentTypeEnum.kPartDocumentObject, inventorApp.FileManager.GetTemplateFile(DocumentTypeEnum.kPartDocumentObject));

The Interop DLL provides the managed definitions that allow your .NET code to: autodesk.inventor.interop.dll

This typically occurs when the Interop assembly version differs from the installed Inventor version. For example, using an Interop from Inventor 2022 with Inventor 2024 installed. // Now use strongly-typed API Document doc = inventorApp