AutoCAD Visual LISP / AutoLISP :: What Error Analyzing Internal Islands

Feb 6, 2007

just test my code about create a stair 3D,still running the program and then appeared a display box,with said "Error analyzing internal islands",what meaning it said?.at attach file with "Error Analysing-1.jpg is the result that program.

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AutoCAD Visual LISP / AutoLISP :: Error In While Command

May 22, 2013

We have a lisp routine that I co-authored ages ago and then haven't done much programming in about 7 years.  I seem to have forgotten much of my language skills.  This portion of the lisp routine was running fine in autocad 2005 which is what the computer had on it, and it doesn't run on autocad 2010. 

I've narrowed it down to the while statement which is why you see it commented out, but that portion is necessary.   My main question is was there a change in the language specifically the while statement between 2005 and 2010? 
; GET LINES OVER 10" AND THROW OUT (if (= (cdr(assoc 0 outerinfo)) "LWPOLYLINE") (progn (setq remlenouter 0.0) (setq numseg (cdr(assoc 90 outerinfo))) (setq edd (member(assoc 10 outerinfo) outerinfo)) (setq n1 0) ;(while (< n1 (- (* numseg 4) 4)) ;(setq dist (distance (cdr(nth n1 edd)) (cdr(nth (+ n1 4) edd)))) ;(if (>= dist edmmax) (setq remlenouter (+ remlenouter dist))) ;(setq n1 (+ n1 4)) ;) ; end while (setq dist (distance (cdr(nth n1 edd)) (cdr(nth 0 edd)))) (if (>= dist edmmax) (setq remlenouter (+ remlenouter dist))) ) ; end progn ) ; END IF

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AutoCAD Visual LISP / AutoLISP :: Semantic Error In DCL

Apr 16, 2013

So i have almost 30 installs and my custom programs are working in all but this new install. Now when i pick on the tool palette that runs the program, i get a message shown in the attached png, then when i pick "OK" i get "Unable to load dialog box."

I've searched these hallowed halls but all the messages seem to point to 2002 versions of ACAD Map and i'm running plain AutoACAD (that came with Product Design Suite, aka Inventor.)

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AutoCAD Visual LISP / AutoLISP :: Appearing Warning Error

May 28, 2012

I have made a block with consist of shape drawing and some attribute data that must specified when the block inserted. my question is, how to make "warning error input" appear if mistake input occurs?

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AutoCAD Visual LISP / AutoLISP :: Error - Extra Right Paren On Input

Jun 18, 2013

In my acaddoc.lsp I have it load an autoload.lsp file that contains many lisp routines (attached). I am getting the "extra right paren on input" error. It appears to error after the third line in the autoload file "san18"....I removed everything after the third line and no error, I put them back and it errors and only loads first three?

I am using Civil 3D 2014 and I have added all neccesary paths to the trusted locations.

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AutoCAD Visual LISP / AutoLISP :: Getting VBA To Work - Class Not Registered Error

Aug 29, 2011

So i have managed to get my VBA apps working up to version 2010 (with the AcFocusCtrl).  I just upgraded to AutoCAD 2012. For some reason I cannot get the ACFocusCtrl on my VBA userform.  When I try to drag it onto the userform, I get an error "Class Not Registered". how I can load that control? 

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AutoCAD Visual LISP / AutoLISP :: Compiled Function Definition Error

Aug 17, 2012

The error below has appeared randomly when AutoCAD 2011 is started.  There was not an error of this sort, but it suddenly appeared and some of the LISP routines will no longer work. 

*Invalid attempt to access

a compiled function definition.  You may want to define it using defun-q:

#<SUBR @000000003f5fda98 S:: STARTUP>

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AutoCAD Visual LISP / AutoLISP :: STRNUM Error - No Function Definition

Jan 10, 2012

I D/L a lisp file (setvars.lsp) that purports to give a list of system variables that match a short string entered in a dialog box.

Unfortunately, an error arises that says 'error : no function definition: STRNUM'

I've looked at the code and can't tell what the writer was hoping to achieve.

The specific section is as follows:

    (if F1
        (setq RL (read-line F1))
        (while RL
          (if (and (wcmatch (strcase RL) (strcase (strcat "*" DESCR1 "*")))
                   (wcmatch (strcase RL) (strcase (strcat "*" DESCR2 "*")))
[Code] .........

There is no other mention of STRNUM in the whole of the lisp.

There is an accompanying setvars.dat, wherein apparently, the writer compiled a data file of all the system variables in AutoCAD2008, each variable being followed by an '=' and then a description of the variable.

If necessary I can post the whole lisp and dat file, but was hoping to discover the intention from the above extract and therfore where I might work out an alternative to this line.

Looking to turn a string to a real? If so, why are there two 'arguments' following the 'function' STRNUM?

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AutoCAD Visual LISP / AutoLISP :: Reactor Triggers Fatal Error

Jun 15, 2012

I have created a very basic reactor as a test. As you can see, it doesn't actually do anything other than set a variable so I know the error isn't caused by something I'm doing with the reactor.

 (defun np:test (reactor callbackdata / ) (setq abc 123))(if (not np:reactor1) (setq np:reactor1 (vlr-command-reactor nil '((:vlr-commandwillstart . np:test))) ))
OK, so the problem I have found is that if I load this reactor into a drawing and then use the MVSETUP command but escape out without completing the command, AutoCAD throws an error and becomes unusable. When I then close AutoCAD down I am met with multiple unhandled exception errors before the app finally closes.

I then altered the reactor from a vlr-command-reactor to a vlr-editor-reactor and found that with this, I am no longer met with the same error while escaping out of MVSETUP. However, when I close CAD down I am eventually left with an 'AutoCAD Application has stopped working' error dialog on screen which reports that acad.exe as crashed.

I am working on AutoCAD Architecture 2012 (although I have tried it on 2013 to with the same results) on Windows 7 64bit. I have also tried this on ACA2012 x32 and found the same error exists.

I am doing something fundamentally wrong in the way I am handling reactors?

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AutoCAD Visual LISP / AutoLISP :: Vlide Configure Current Window Error

Aug 17, 2011

I have a problem with  "tools/window attributes/configure current"when I try to configure current window (especialy tabulator spaces 8 -> 2) I got fatal error: unhandled access violation Writing 0x0000 Exception at cc424946h

Windows 7 (x64)

AutoCAD 2009, 2010, 2011, 2012

standalone instalation

user with administrator privileges

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AutoCAD Visual LISP / AutoLISP :: Error / Bad Argument Type - Code Still Working

Jul 23, 2013

My code returns the error, but it still works.

    (setvar "cmdecho" 0)
    (vlax-for ucs (vla-get-UserCoordinateSystems (vla-get-Activedocument (vlax-get-acad-object)))
    (setq UCSList (cons (vla-get-Name ucs) UCSList)))
    (setq FileName (vl-Filename-Base (getvar "Dwgname")))
    (setq NewUCSList (vl-remove-if '(lambda (x) (vl-string-search FileName x)) UCSList))
    (setq Listlength (length NewUCSList))


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AutoCAD Visual LISP / AutoLISP :: Quick Properties Customization - Fatal Error Message

Nov 4, 2013

I am trying to customize my quick properties (acad.cuix), but i keep on receiving fatal error message. And when i click on quick properties it is all blank. Also, the Properties dialogue box is not working when i click on something, the properties do not appear on the Properties dialogue box.  Attached is the error message.

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AutoCAD Visual LISP / AutoLISP :: Table Style - Error Message / Bad Argument Type

Mar 22, 2012

By running this routine it returns the following error message:

ERROR: bad argument type: VLA-OBJECT 7

(defun _make_tblstyle  (stlname / adoc acmcol tblstyle txh)
(setq   adoc (vla-get-activedocument
(setq   acmcol (vla-getinterfaceobject

[Code] .......

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AutoCAD Visual LISP / AutoLISP :: Return To Calling Function After Trapping Error In Subroutine

Mar 13, 2012

I've got a subroutine that gets the centroid of a closed polygon (lwpoly).  It appears to fail if the polygon has any zero length line segments.  I've added a trap that catches the error and "highlights" the offending polygon, but it stops there and does not return to the main function that called the subroutine.  Is there a way to get back to the main function from the trap?

Here's the subroutine (original function by _gile (Autodesk LISP Forum 9-18-2006):

(defun return-centroid (lwpoly space / obj Region Centroid)
(setq *error* trap1)
(setq obj (vlax-ename->vla-object lwpoly))
(setq Region (vlax-invoke space 'addRegion (list obj)))
(setq Centroid (trans (vlax-get (car Region) 'Centroid) 1 0))
(vla-delete (car Region))


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AutoCAD Visual LISP / AutoLISP :: Continuous Dimension Lisp That Alternate Its Position

Jul 12, 2012

Is there a lisp that will allow me to do a continuous dimension, but will alternate the dimension position from low, high, low and high?  If there is no lisp already created, how to create one? 

See Continuous dimension attachment for example.

I work at a glass and glazing company and this is how we dimension mullion width and DLO. See typical window dimensioning attachment for window elevation with dimensions.

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AutoCAD Visual LISP / AutoLISP :: Add String To Each Item In List Using Lisp

Nov 14, 2013

I have a list ("temp.dwg" "temp2.dwg") and would like to add the string "insert text here" into each item in the list resulting in ("insert text heretemp.dwg" "insert textheretemp2.dwg").  how would i go about doing that using LISP?

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AutoCAD Visual LISP / AutoLISP :: Opening Drawings With Default Visual Style Set To 2D Wireframe

Oct 7, 2013

Is there a way to programatically set a visual style before a drawing actually opens?

We have some huge models and people seem to forget to change their visual styles back to 2D wireframe before saving and exiting drawings.  Some models will crash on some workstations when trying to open in a rendered mode.

I found a lisp with a function that looked to set viewport visual styles.  But it does not seem to be supported anymore. --> (vla-put-VisualStyle vport 1)

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AutoCAD Visual LISP / AutoLISP :: Write A Lisp Routine That Invoke The Mleader Command

Oct 11, 2012

I'm trying to write a lisp routine that, when I invoke the mleader command, osmode is set to "nearest" & orthomode is set off. I then would like the original settings to be returned.

attached is what I have written so far:-

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AutoCAD Visual LISP / AutoLISP :: Visual Effect Settings?

Jun 20, 2013

Lisp that switches back on Selection Preview i.e. thickens and highlights lines when you hover over them?I don't know why, but they are always unticking the boxes.

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AutoCAD Visual LISP / AutoLISP :: Combinations In DCL?

Sep 7, 2012

Is it possible to execute a certain command based on multiple selections withinin a dcl?  for example:  two radio colums, one with selections A and B, and a second with selections 1 and 2.  is it possible to program commands based on user selections from each column?  ex: if A and 1- do a command.  A 2- do a different command, etc...

I tried :

 (action_tile "key1" "(setq A t")
 (action_tile "key2" "(setq B t")

 (action_tile "key3" "(setq 1 t)(done_dialog)")
 (action_tile "key4" "(setq 2 t)(done_dialog)")

(and (a) (1)
(command ...

but was unsuccessful.  no matter which combination was selected, the command under all combinations would run.

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AutoCAD Visual LISP / AutoLISP :: Get Attribute Value

Jun 3, 2013

I am trying to find a lisp that would get an attribute value (tag name = NBR_5) . I'm trying to run a simple routine that would let the user place the value from the titleblock attribute as text on a drawing. I see a ton of articles regarding getting attributes but I am not well versed in programming.

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AutoCAD Visual LISP / AutoLISP :: Nil At The End Of Command

Jun 22, 2012

I have a routine that work fine, but I receive a nil at the end of command. How to fix that?

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AutoCAD Visual LISP / AutoLISP :: 3D Point From X And Y?

Oct 9, 2013

I'm trying to find acceptable point values to feed to the vlax-3d-point function for a vla-addmtext function. With vanilla lisp I just provide the point as x y = "7/32" "2-3/8". So I assumed that I could drop a 0 in for the z like: (VLAX-3D-POINT "7/32" "2-3/8" 0).

Then I thought I was going to be tricksy and try (vlax-3D-point (getpoint)) believing that I could pick the point and get what I need to feed the function, but yet again, no deal. The command line gave me: 

of #<variant 8197 ...>

Nothing I can use in my code. So how do I find the point in a format that vlax-3d-point will like?

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AutoCAD Visual LISP / AutoLISP :: Put Point At Each End Of Arc?

Dec 19, 2011

What is the magic word for put a point at each end of an arc, the lisp I have only put a point at center of the arc.
(defun cAA ( / i j ss e1 e2 p1 p2 p3 points )
(if (setq i -1 ss (ssget '((0 . "ARC"))))


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AutoCAD Visual LISP / AutoLISP :: Get The Value Of Attribute

Dec 30, 2011

Is there a quick way of getting the value of an attribute?

I have an attributed block called "tp_attributes" and it has and attribute called "OrderNum".

I just want to be able to quickly grab that value.

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AutoCAD Visual LISP / AutoLISP :: Use Of The Alt Key In A Macro

May 29, 2013

I use Spell Check regularly and I always check the entire drawing. I would like to add to the Spell macro so that when I pick Spell from the toolbar it goes past the Check Spelling window and begins checking the entire drawing.

I believe I need to  insert Alt S into my macro to select Start from the window to begin the check. Is there a character or series of characters that will represent Alt in a macro?

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AutoCAD Visual LISP / AutoLISP :: Toggle Between PS And MS

Nov 8, 2011

I upgraded from Autocad 2004 to 2012 recently and my lisp file doesnt work anymore.

what it's supposed to do is when looking at the layout tab that you want you can switch to the model space location of the same zoom as the layout tab without messing with the layout zoom.

(defun c:msp ()
(setq cm (getvar "cmdecho"))
(setvar "cmdecho" 0)
(command"view" "d" "tmp")
(setvar "tilemode" 0)
(princ "Click TWICE on desired VPORT: ")
(command "mspace" pause "view" "s" "tmp")(princ)
(setvar "tilemode" 1)
(command "view" "r" "tmp")
(setvar"cmdecho" cm)

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AutoCAD Visual LISP / AutoLISP :: DOS DIR Command

Oct 27, 2012

I need a program that simulate this DOS command: dir /on/b *.dwg >list.txt

it list all dwg files on current open dwg file folder and sort them and finally put them in a text file with list.txt name. something like thistype list.txt)


(sort alphabetically and logically) because of disabled DOS utility in my PC I need a pure lisp functions, I tried to wrote this program but I couldn't!!

(defun c:listMaker()
(setq path (getvar "dwgprefix"))
(setq fn "list.txt")

and also I need a append a string(='This Is EOF') in the last line of the "list.txt" file.

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AutoCAD Visual LISP / AutoLISP :: Get Z Value From Text

May 10, 2012

I have text objects with the same Z value and I will select as follows:

(setq sstxt (ssget '((0 . "TEXT")(8 . "APS-text"))))

How to store this value in another variable "zvalue" to apply to:

(command "change" "select text objects" "" "_p" "_e" zvalue "") ?

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AutoCAD Visual LISP / AutoLISP :: What Is Dot Net Equivalent

Oct 17, 2011

the following returns true since the @ symbol tests for an alpha character.. (wcmatch "S101" "@*").What is the Dot Net equivalent?

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AutoCAD Visual LISP / AutoLISP :: How To End Application

Jul 10, 2012

Is there a command that is the opposite of starting an application to open up a file?  Like:

(startapp "PlaySound.exe" (findfile "CuckooClock.wav"))

Instead of starting an application, how to shut all of its instances down.  Let’s say I have iTunes and/or Internet Explorer w/ a few tabs open and I can close them down without getting to the application to terminate it the usual way.


(endapp "iTunes.exe") doesn’t work :-))

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