That’s OK we all started with zero AutoLISP knowledge. The odds are that if you’re an LT user, you don’t know enough about AutoLISP even to understand what I just said. An AutoLISP Primerīut I’m getting a bit ahead of myself. Now, I haven’t gone through every line of code in my library, but nothing has broken for me yet. Honestly, I expected the call to (vlax-get-acad-object) not to work in LT. During the Beta phase, I tested it to see what would happen. The same would go for anything that LT doesn’t have, like constraints, profiles, or connecting with external applications such as Excel®.īut Visual Lisp has self-awareness, so any programming tasks requiring access to the AutoCAD object model should be fine. So, while an AutoCAD user can use Visual Lisp to create, modify and manipulate 3D objects, LT doesn’t support 3D, so that code won’t work. What else won’t you get? Remember I said you’d (nearly) get the full functionality of Visual Lisp? You can do a lot with ActiveX and Visual Lisp, but you can’t do things that LT doesn’t support. So, if you want to write your own AutoLISP code, you’ll be relegated to a text editor such as Windows® Notepad. And, since there’s no VLIDE, there’s no Visual Studio either. That’s the editing and debugging tool integrated into full AutoCAD and used by most AutoLISP programmers to develop, edit, and debug their code. First and foremost is the VLIDE (Visual Lisp Integrated Development Environment). You see, there are a few limitations and some things you don’t get. The power you now wield is only constrained by your imagination. With LT 2024, you’ll be able to automate repetitive tasks, create custom short commands, analyze drawing data, and fix things on the fly. ActiveX Automation is included as well, so you’ll also have access to the COM library and (nearly) the full functionality of Visual Lisp. And I’m not talking just old-fashioned raw AutoLISP either. Oh, think of the defun they will have (that’s a little Lisp humor… welcome to the club, LT users). Now, they can extend the capabilities of their program of choice without being restricted. What a world of possibilities this opens up for the LT user. How’s that for something new? I’ll wait while you pick your chin up off the floor. Since the theme of this issue is “What’s New,” I’m excited to tell you about the inclusion of AutoLISP in the AutoCAD LT 2024 release. Back May 13th, 2023 AutoCAD LT Gets the Power of AutoLISP
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