License Delivery maintenance is expected to occur on Saturday, November 30, between 8 AM and 11 AM CET. This may cause a short 3-hours outage in which license-related tasks: license key upload, download, update, SSA validation, access to the license pool and Graphisoft ID authentication may not function properly. We apologize for any inconvenience.
Archicad C++ API
About Archicad add-on development using the C++ API.
Yes, you can access all the necessary informations about Pens and Pen Sets via API and you can modify those also.
Without any C/C++ knowledge of course it's not easy to implement that, but the community is here to help