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AutoCAD Developer Center

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AutoCAD® software provides a flexible development platform for specialized design and drafting applications. Its open architecture enables you to customize AutoCAD to suit your unique purposes. Examples of customizations include Autodesk’s industry-specific design software and thousands of add-on applications from members of the Autodesk® Developer Network.  AutoCAD provides the ObjectARX® programming environment with the object-oriented C++ programming interfaces, the managed AutoCAD .NET API, the complete Visual LISP® development environment and the ActiveX® interface.  

  • This is a self-paced tutorial guide for a smooth introduction into the programming world. This is a "one-stop shop" learning path for users who know Autodesk products but are absolutely new to programming and are thinking about taking the plunge.

  • Blogs

    Get news, expert tips and insider resources directly from Autodesk software engineers

  • Take part in active API discussion forums moderated by Autodesk software engineers. AutoCAD has several customization forums with useful software development information in AutoCAD customization discussion groups.

  • Easily extend the power of AutoCAD using apps created for the end user community.

  • Get easy access to Forge APIs and documentation, tutorials, GitHub samples, support and more for Autodesk cloud-based software and components in your own web and mobile applications.

  • Learning

    Visit DevTV section of AutoCAD DevBlog for self-paced video tutorials on AutoCAD customization.

Documentation

The AutoCAD developer documentation explains the components that make up the available APIs for AutoCAD and AutoCAD-based products.

Managed .NET

The components of the Managed .NET documentation are installed as part of the ObjectARX SDK and available as part of the product Help. Starting with AutoCAD 2018, the .NET Developer’s and Reference guides are available online and as part of the ObjectARX SDK. In earlier releases, the . NET Developer's Guide was available in the AutoCAD Help system only and the. NET Reference Guide was only available as part of the ObjectARX SDK.

Developer's Guides:

Reference Guides:

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The Managed .NET Reference Guide can also be integrated with Microsoft Visual Studio.

Member and parameter descriptions from the Managed .NET Reference Guide can be displayed within the Microsoft Visual Studio environment as part of the Intellisense feature set. This allows for some basic information about a member or parameter to be displayed in a tooltip while working in a code editor window or to be accessed from the Object Browser without the need to open the Help Viewer.

Download the appropriate file below and extract the XML files into the Inc folder of the ObjectARX SDK. 

  • AutoCAD 2018 and Later (Files are now installed with the ObjectARX SDK)
  • AutoCAD 2017

Autodesk Developer Network

ADN OPEN

For more information on Autodesk desktop product customization and APIs please visit Autodesk Developer Network Open. 

ADN MEMBERSHIP

If you need more professional customization support, consider joining the Autodesk Developer Network. that includes direct support, and development product licenses.

Resources

ACCESS AUTODESK SOFTWARE FOR FREE

Trial versions are available for most Autodesk products. Download your free 30-days trial version today. You can obtain Autodesk desktop software for development use on an on-going basis by joining ADN.

AUTODESK CLOUD TECHNOLOGIES

All the information and resources needed to use Autodesk cloud-based software and components in your own web and mobile applications can be found on the Autodesk Forge Developer Portal. Get easy access to Forge APIs and documentation, tutorials, GitHub samples, support and more.

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