Autodesk Inventor Questions & Answers

Best Practices to Avoid the "Resolve Link" Dialog

Embed the Image into the Title Block

• Inventor does not truly embed external images into .idw files or templates.
• It stores a reference to the image file -so if the image moves or isn't found in the project paths, you get the dialogue.

To Verify the Image Path:

1. Open the .idw template.
2. Go to Manage > Styles Editor > Title Block.
3. Edit the title block and check the image path.
4. Make sure it's pointing to a valid, project-included location.

In Inventor, a closed loop in a sketch can be converted into a Profile, which represents a region suitable for extrusion or analysis. Once you have a Profile, you can access its area via the Area Properties object.

The event you're looking for is called Drawing View Change, and it's the one that fires when a 2D drawing updates due to changes in the model shown in a view.

You may not be able to find a list of the Environment names, because Inventor does not publish a list of internal environment names like “PMxPartSketchEnvironment”

To apply this in the sketch environment:

• Open your sketch
• Go to the Sketch tab and in the Constrain panel click Automatic Dimensions and Constraints
• In the dialog, leave geometry unselected to apply to the entire sketch
• Choose whether to apply dimensions, constraints, or both
• Click Apply and then Done

You cannot make sure that FindAttributes or AttributeSets will return the item in the same order they were created because Inventor’s API does not guarantee it.

Yes, there is a limit of 255 characters for string attribute values in Autodesk Inventor

Yes, you can absolutely create an add-in or macro in VBA to automate assembly pattern creation in Inventor. While VBA doesn’t support full add-in architecture like VB.NET or C#, it can still be used to script pattern creation within an open assembly document.

Totally okay-and encouraged! Autodesk provides the Inventor SDK specifically so developers like you can build custom applications and add-ins. But yes, DLL deployment can be a bit tricky if you're not careful with how Inventor expects things to be wired up.

Here’s how to ship the required DLLs:

• Best Practice: Rely on Inventor’s installed COM interfaces.
• Do Not: Copy Inventor’s native DLLs.

• Beginner-Friendly Tutorials
  • Autodesk Inventor VBA Tutorial Playlist on YouTube by Video-Tutorials.Net: A comprehensive 38-video series covering everything from basic syntax to Inventor-specific API usage.
  • Start with the intro video to get a feel for how VBA integrates with Inventor’s environment.
• Official Documentation
  • Autodesk’s own VBA in Inventor Overview explains how VBA is embedded in Inventor, how to use the API, and the differences between document, application, and user projects.
• Tools & Setup
  • If you haven’t already, make sure VBA is installed. You can grab the latest module from Autodesk’s official download page-they provide versions for Inventor 2021 through 2026.
• Pro Tip
  • Once you’re comfortable with VBA, you might also explore iLogic, which uses VB.NET syntax and is more tightly integrated with Inventor’s parametric modeling features.