Archicad C++ API

New Developer Hub Migration Completed

[UPDATE] Hi all, thank you for your patience. We are happy to announce that the migration of the Developer Hub has been completed. The Developer Forum is officially retired. To get a quick overview of the new Developer Hub, kindly check out this arti...

Using the Development Kit with Visual Studio 2022

Hi everyone, In the last couple of weeks we got several questions regarding Visual Studio 2022 and the API DevKit. If you try to use VS 2022 to build your AddOns, you have to keep in mind a few things. First, Archicad 25 and Archicad 26 is built with...

Resolved! Cannot set properties of curtain walls

Hello Archicad community,For some reason I cannot successfully set properties for curtain wall elements (error code: -2130313112, "The passed parameters are inconsistent." according to http://archicadapi.Graphisoft.com/documentation/error-codes)It is...

ENERGY EVALUATION THROUGH API

Dear All,How is it possible to get the energy evaluation results through the API?Thx.

Resolved! Get Facade Panels in Order?

Hello Archicad community,Based on the grid mesh I can get each facade panel's dimensions and convert it into a wall (attachment 1 is the input, attachment 2 the output), however, the panels I get do not seem to be in any particular order (attachment ...

Resolved! API DATABASE_CONTROL EXAMPLE ERROR

I went through the post in the following link https://Archicad-talk.Graphisoft.com/viewtopic.php?f=23&t=62110 and changed the following lines of code to run the project.beforeDBASSERT (book->save (UNISTR_TO_LIBXLSTR(filepath)));book->release ();after...

Resolved! "This add-on cannot be validated. Please contact the distributor." error

I have this error on some units (PC). I know that this maybe caused by not having a correct MDID. I have the correct dev ID and MDID since it is okay on my working unit and other units too.What are the other possible cause (and solution) to this erro...

Curtain Wall and ACAPI_Element_Change

I have started to make a script to change types of panels in CWall (Particularly one doors to another). But during some prototyping, I have noticed that in documentation API_Element_Change doesn't support CWall at all. Is it right? Should I do, delet...

[Developer API] How I can get data from Schedules?

I need to get the data from the Schedule for further calculations in the project.How do I get this data?

Imported attributes are valid only for current instance

Hi, guys!I have a working addon which reads a text file and adds new elements in AC: walls, roofs, etc. with some properties. When I import a wall, for example, a piece of the wall is immediately drawn and I can move and modify it. I can see its prop...

Resolved! Element ID and other old Properties

I have quite a simple question. But I really could find a simple solution in the documentation. I have check Element and Memo structure and it's not there.I would like to access element ID and also other Properties which are older than properties lik...

Resolved! API_CWSegmentType vs. API_CWallSegmentType

Hello dear Archicad forum,Does anyone know why there are two very similar but not quite the same entries for curtain wall segments?:http://archicadapi.Graphisoft.com/documentation/api_cwsegmenttypehttp://archicadapi.Graphisoft.com/documentation/api_c...

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