Licensing is based on the number of developers writing code against the VDF API.

public Form1()

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Which are you using (C#, VB.NET, C++, or JavaScript)?

What (e.g., DWG, DXF, IFC) are most critical for your project?

Disclaimer: Pricing information provided is based on publicly available sources at the time of writing and is subject to change by VectorDraw Inc. For the most current pricing, please refer to the official VectorDraw website.

: Included for backward compatibility with older platforms like Visual Basic 6.0 and Delphi. ComponentSource Key Features & Capabilities VectorDraw Developer Framework

How does stack up?

Using vdFrameworks. (the VdCanvas control), you can drag-and-drop a CAD viewport onto a WinForms or WPF window.

Any specific or CAD engines you are migrating away from? Share public link