Ransen's ObjectARX Course

An ObjectARX Help file

While Autodesk help files are exhaustive (and exhausting) there is a need for a more immediately useful help file. This course's help file is like an easily searchable FAQ with

More detailed explanation of functions and classes used in the course chapters.
Code fragments illustrating the use of common functions.
Tips and tricks for programming.

An ObjectARX FAQ

You simply type in the keywords of the subject you want to know about, and click on the question which matches the question you have in mind. Here are just some of the questions which the FAQ answers:

How do I know if an AcDbObject/AcDbEntity belongs to a DWG?

How to setup a new ARX workspace for VC6.

How to setup a new ARX workspace VC 4.2.

What does this VC error message really mean?

How do I load an ARX applications in AutoCAD automatically?

How do I load an ARX applications in AutoCAD manually?

Definition files, what are they?

How do I add my own command to AutoCAD?

How do I add an entity to a drawing?

What are object identifiers?

What is the acrxDynamicLinker?

What is the acrxEntryPoint?

How do I erase and unerase entities?

How do I highlight an entity?

How do I get records from symbol tables, entities from blocks?

What are symbol tables?

How do I zoom using ObjectARX?

What is a REGEN, and how do I get AutoCAD to do one?

And many many more....!