Autodesk.inventor.interop.dll May 2026

Autodesk.Inventor.Interop.dll

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

  1. Open your Project in Visual Studio.
  2. Right-click References > Add Reference.
  3. Select Browse.
  4. Navigate to the Inventor Bin folder and select Autodesk.Inventor.Interop.dll.
  5. Crucial Step: In the Reference Properties, set Embed Interop Types to False (this is standard practice for Inventor add-ins to avoid compilation errors with specific API patterns) and Copy Local to False (assuming the target machine has Inventor installed).

. It acts as a bridge (interop assembly) that allows .NET languages like C# or VB.NET to talk to Inventor's native underlying code. Autodesk Platform Services Core Functionality API Access : This DLL provides access to the full Inventor Object Model autodesk.inventor.interop.dll