This legacy error appears when you reference an older interop DLL built against .NET 2.0 while your project targets .NET 4.x or newer.
: It handles the translation of data types between the COM world and the .NET world, ensuring that strings, integers, and complex objects are passed correctly between your code and the software. autodesk.inventor.interop.dll
Developers use this library to access the Inventor API , enabling a wide range of automation possibilities: This legacy error appears when you reference an
or via standard installation folders, making it straightforward to start a project in Visual Studio. Integration ensuring that strings
: In Visual Studio, right-click on your project's References and browse for Autodesk.Inventor.Interop.dll .