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...

ArchiCAD 14 Development tools available

The API and Documentation are available at:http://www.graphisoft.com/support/developer/downloads/

How to use the Geometry::StripPolygon2D()?

I Created a polygon as the example.The Geometry::ValidatePolygon2DData (&polygon) returns NoError;The Geometry::CheckPolygon2DDataIntegrity (polygon) also returns NoError.However when executing Geometry::StripPolygon2D(&cutline1,&cutline2, &polygon, ...

How to get wall materials and thicknesses using API

Attached is a simple IFC model with one wall. Material of the wall is '100 block insul. cav.' and it has four layers: - Common Brick 100m - Air Space 50mm - Insulation 25mm - Concrete Block 100mm Do you know how to get materials and thicknesses using...

Link Properties to Curtain Walls

When I try to link properties with ACAPI_Element_SetLinkedProperties (API DVK 13.2517) to a curtain wall, the error APIERR_BADID occurs, which means "Incorrect typeID was specified".But I can link a individually property-library manually in the curta...

Location of archiCAD Folder

is there any Global variable for the location of arhicad folder ?is there anyway to find it quickly with the API ?

window to edit profil

Hii want to make my own window to edit drawing.it's to make profil that are not destinated to be used with column, beams or walls, so i can't use the archicad profil editor.i saw that personnal windows can't be used to drawing lines.i thought about m...

Error in Element_Test-Example?

Hello,in the example Element_Test in Element_Basics.cpp there is a function "Do_CreateWindow()". When I try to use this function an error occurs at ACAPI_Element_CreateExt at the end of this function. The error is -2130313112 (APIERR_BADPARS).Do I us...

Registration code

I asked for a registration code 3 weeks ago, but still received no response. I sent the request 2 times. I don't understand why I am ignored.Does anyone know their phone number to request a code on the phone?Or can anybody share the number to me?Than...

Why are add-ons rebuilt for new releases?

oreopoulos wrote:And then the plugins. That ****** decision ,old plugins not working in newer versions. That is totally unacceptable. This is intentional (because if i believe its not intentional then its a complete programming lack of skills) Plugin...

ArchiCAD 13 ODBC connection problem

I've tried to update my ArchiCAD ODBC driver from 12 to 13 in my application. I tested a model drawed in ArchiCAD version 13 but I encountered this error:ERROR [HY000] [Graphisoft][QEODBC]Failed to load database provider 'ArchiCAD 13 Project ODBC Dri...

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