Daniel, It will depend what DRX is based on. If it directly exposes the Intellicad C++ classes, then yes, it will probably require a specific compiler (I'm guessing VC++). I was able to write an ARX dll in Delphi up to AutoCAD 14, but enough changed in AutoCAD 2000 and later with the C++ classes tha...

Delphi 7 works pretty well too, if you like Pascal.

Hi Alf, I inspected the listbuf variable after the sds_buildlist call, and it was nil. I have had trouble with the sds_buildlist function as well. I gave up on that function and just build my lists manually with sds_newrb. Instead of your sds_buildlist call try this: //setup the first list entry lis...

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