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...

Overriding element creation buttons

Hi!I am new at developing in the Archicad API, and I have been assigned to write a plug-in for it.One of the core functionalities of it is being able to pull pre-parametrized elements from a side menu. I found the ACAPI_Create_Element would be useful...

Auto-generation add-on for column CAD compatibility

I'm still an API beginner. I've been dealing with C ++ 10 years ago.Area(or Zone) and text were created by inserting the precast columns and column name layers drawn in CAD drawings using merge to worksheet function.I want to create an add-on that us...

Archicad Add-on New Project Wizard make only empty folder

I am using Visualstudio 2015 and Archicad 21.After installing VisualStudio 2015, APIDevKit 21: 3005 was installed.I clicked New Project and created project for add-on by using Archicad Add-on Template Wizard, but resource and source files were not sh...

Old extensions

Can I somehow use my old extensions in Archicad 21? Some company have their own product-specific extensions, but only for ac19, ac20, is there any possibility?

Issue with getting the opened project's name

Hello,I'm trying to get the current opened project's name. Here is my code, which should work according to the documentation, but it doesn't seem to work: GSErrCode err; API_ProjectInfo info; err = ACAPI_Environment (APIEnv_ProjectID, &info, nullptr)...

Tree view for showing category's parameters/attributes/properties

Hi,I am new to Archicad API, but from what I have understood, an element category (door, window, lamp, ...) has parameters (coming from its GDL library object), attributes and properties.I would like to show all these different things in a tree view ...

How to convert wstring to Unistring in macOS

I need to put unicode words in my addon but I am facing some problems:For example, when I have the following code : const GS::UniString a = L"xxx"; or DGTreeViewSetItemText(dialogID, itemID, CS,L"xxx"); It is no problem if I develop in windowsbut in ...

How to get thumbnail and parameters from external library part?

Hi everyone,i'm tried from figure out to get thumbnail and parameters from external library part but failed.For example : IO::Location fileLoc("C:\\Users\\W.C.SHIM\\Downloads\\test.gsm"); API_LibPart libPart; BNZeroMemory(&libPart, sizeof(API_LibPart...

template for export plugin

Hey everyone,is there a template for writing an exporter plugin for customizing the 3d-export from archicad? The reason is, that ArchiCAD exports quite a lot of 3d-formats but the open formats all seem to miss some information at some point.Im lookin...

Resolved! Is there any way to get data from Energy Evaluation Module?

I want to get data from Operation Profile that the user enter to do some calculation in my addon, is there any way to do that?

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