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...

Steps for updating add-on to work with Archicad 21

Hello,I have a working add-on, developed and working on Archicad 20. When I try to add it in Archicad 21 I get the "outdated" error in the add-on manager. What are the steps to migrate to the newer API?Thanks in advance, Julian

Creating 3D Document filtered with marquee

Greetings, I'm trying to replicate thru code the creation of 3D document from floor plan with a marquee filter like when you manually create a marquee then right-click New 3D Document from Floor Plan.I've managed to create a 3D Document using ACAPI_D...

ClientConnection partial download

I am downloading a binary file (gsm object) with ClientConnection class.When working in development environment with faster localhost server which serves gsm objects, everything works fine. When I moved to a production server on different location, w...

[SOLVED] modeless palette question

Hello Archicad Developers!!!I have a two questions about palettes:I need to have something like the BIMObject palette with those buttons which have images.. I found an example http://archicad-talk.graphisoft.com/viewtopic.php?t=47307&highlight=modele...

[SOLVED] From .gsm file to embedded library

What would be the best way to store a .gsm file as a new API_LibPart object in embedded library?Is it possible to fill LibPart sections from gsm file?Currently I am adding a new linked library APIEnv_AddLibrariesID, search for object by name with ACA...

[SOLVED] Crashing on SelectionChange Handler + Elem Observer

Greetings, I'm having problems when using two Notification handlers. Basically it's a palette that uses SelectionChangeHandler to detect selected element (if wall is selected, it will show stuff) then ElemObserverHandler to detect changes from that e...

[SLVD] Prefered way to make a http request and parse xml doc

I've noticed that there is a XML engine included with AC Api in GSRoot module. Unfortunately there are no examples nor is it mentioned in the documentation. Is it just undocumented section or are there any examples for us to use? Secondly, is there a...

[SLVD] create a link. How to see this link in other add-ons?

One of my big add-ons has created a connection using the functionACAPI_Element_Link (...The functionACAPI_Element_GetLinks (...Reports that there is 1 link. Those. everything is working.Further processing I would like to do in another add-onsBut the ...

Point Cloud data access from the API

Hi,I was wondering whether it was possible to access the points of a point cloud via the API.I noticed that when loading a point cloud into Archicad, it is converted to a proprietary .gspc format and the GDL object uses it. Because of such processing...

[SOLVED] Trying to use C++ variables into GDL scripts

Hello,I'm trying to use C++ variables into GDL scripts in order to use them in objects.Does anyone have an idea ? Regards.

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