Load this file using the APPLOAD command, then type "Hello" in the command line. 5. Learning Resources

(defun c:Hello () (alert "Hello! This is a custom AutoCAD command.") (princ) ) Use code with caution. Copied to clipboard

Learn to select objects via code, modify their properties (layer, color, coordinates), and update the drawing. 4. Example: Simple AutoLISP Command To add a custom command, create a file named Hello.lsp :

: Excellent, free, in-depth, and practical tutorials.

Access to full .NET libraries, faster performance than LISP. ObjectARX (Advanced): What it is: C++ based library.

AutoCAD programming allows users to move beyond manual drafting by creating scripts and applications that interact directly with the AutoCAD database. Whether you are automating simple drafting tasks or developing complex custom applications, the following options provide different levels of capability. 1. Choose Your Programming Path

Let me know your goal and if you have any experience with programming languages like LISP, Python, or C#. Programming - Autodesk Forums

Bookmark the Autodesk Developer Network site for SDK links and references. 3. Getting Started: Core Concepts