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 new to programming and are thinking about taking the plunge.
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.
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.
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)
The Connectivity Automation object allows you to connect, link to, and query databases in the same way that the dbConnect Manager does. The documentation related to this API is part of the product Help.
The Transmittal object allows you to determine the dependencies a drawing file has and automate tasks related to the ETRANSMIT and ARCHIVE commands. The documentation related to this API is part of the ObjectARX Developer's Guide in the ObjectARX SDK in for AutoCAD 2015 and earlier. Starting with AutoCAD 2016, the documentation was added to the product help.
The CAD Standards Plug-in object allows you to determine create a custom plug-in that can be used with the Batch Standards Checker or STANDARDS command. The documentation related to this API is part of the ObjectARX Developer's Guide in the ObjectARX SDK in for AutoCAD 2015 and earlier. Starting with AutoCAD 2016, the documentation was added to the product help.
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 at the Standard or Professional membership level too.
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.