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...

Using ACAPI_Command_ExternalCall problem

Hi everyone,i have recently needed to do a specific task in another instance of AC, in a way that won't prevent me from using the program (that is, asynchronous).To do so, i implemented the ACAPI_Command_ExternalCall function. it works almost perfect...

OBJ Classification

Hello,I am trying to understand how does the OBJ Export classification works, and how I can manipulate it.So my problem is that when exporting OBJ, in AC 23, stairs & columns are exported as "OBJ" and not as "Stair", "Column". That's a big problem fo...

Tip: How to create add-on for every Archicad version

There is a unique dev-kit for every version of ARCHICAD. To make an add-on work with a specific version of ARCHICAD, you must use the correct dev-kit. If you use the AC22 dev-kit, for example, the add-on will only work with AC22 (not 21 or 23).

Resolved! changing the index of library part does not work

I'm trying to change the library part index of an element by this code: API_Element elementMask; BNZeroMemory(&elementMask, sizeof(API_Element)); ACAPI_ELEMENT_MASK_SET(elementMask, API_WindowType, openingBase.libInd); element.window.openingBase.libI...

creating custom add on challanges with VS 2017 and api dev kit 23

Hi guys,I try to create custom add-ons using VS 2017, api dev kit 22. But I have 2 problems. I couldn't run the the sample project. The tool didn't recognize the libraries. I share the photo.[/img][/img][/img][/img][/img]I couldn't find AddOnAdmin to...

Resolved! Creating window with fixed width and height

I create a library part of a window and put it into a wall by creating an element of it referencing the libary part index, setting width and height and calling ACAPI_Element_Create: API_Element element; ... element.window.openingBase.libInd = libPart...

Resolved! How to delete a layout

HelloI want to find a delete a layout.I know it should work with APIDb_DeleteDatabaseID, but what do API_DatabaseInfo should be? How do I get a layout into API_DatabaseInfo?Thanks!

A shared installation folder across Archicad versions

Hi,I have 2 add-ons, one for Archicad 22 and one for Archicad 23. They are both located in the corresponding add-ons folder for each Archicad version and they run fine in Archicad 22 and Archicad 23. However, they both depend on the same .dll files t...

Resolved! Knowing if a story is empty?

Hello,I want to know if a specific floor has anything in it.In other words, a function which gives the number of elements (of any kind) in a specific floor would be a great solution for me.Thanks

Change drawinglinkinfo?

HelloSo, I’m able to retrieve drawinglinkinfo (using the dump drawings info example) but I don’t understand how to update the drawinglinkinfo back to the dB after changing it.What am I missing?Thanks!

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