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...

Rendering cannot be interrupted

Hi allI want to launch some renderings in Archicad from our plugin.For this i use this API call : ACAPI_Automate (APIDo_PhotoRenderID, xx, xx)This call works but completely blocks Archicad during the rendering.When i do rendering from Archicad by usi...

Customized Menu Layout

Our client changed a menu of our plugin in the menu customization settings, removed some items probably and he cant see them and also a new ones that come with a new builds. Is there any API which we can use to restore or detect such situation?

How to localize an Add on

Is there any documentation or examples for how to localize an AddOn? I have my English messages etc in a GRC file. The examples sort of lead me to believe that I need a GRC file for each language. But is there a naming convention or is there some way...

Modify an existing Library part's section destroys Libpart

Hello all I try to modifiy an existing Library part by adding some parameters.Here is a part of the code i use : API_LibPart libPart; BNZeroMemory (&libPart, sizeof (API_LibPart)); //TODO : Get type of libpart ? libPart.typeID = APILib_ObjectID; libP...

Add-on registry entry not created in AC 18/19

I am rebuilding my add-on (and installer) for AC 18 & 19. The installer looks in the registry for "HKCU\\Software\GRAPHISOFT\ArchiCAD-64 18.0.0 INT R1\Add-On Manager" for the "Actual Path" key and uses its value for where to install the add-on. But t...

APIERR_MEMFULL LibPart_Register

IO::Location fileLoc ("C:\\temp\\MyLibpart.gsm"); API_LibPart libPart; GSErrCode err; BNZeroMemory (&libPart, sizeof (API_LibPart)); libPart.typeID = APILib_ObjectID; libPart.location = &fileLoc; err = ACAPI_LibPart_Register (&libPart); Any ideas why...

[SOLVED] DG::Icon

Looks like icon for DG::Icon can't be changed. Only icons for buttons or other radio buttons can be changed. Is it possible to make changeable Icon/picture ?

Blank Add On for AC19 / DevKit19

After this failed experiment with the Archicad AddOn Wizard, i decided to create my own blank addon template for DevKit 19Notes:1- Remember to change the IDs in "/Src/MyDID.h" and "/RFIX/AC_BlankAddOnFix.grc". Explained in detail here.2- works when p...

Add-On wizard (DevKit 19) generates un-compilable code

Hello, I'm new to the world of AC add-on development so please bear with me and sorry if this question has been addressed elsewhere... (i searched the best i could)I managed to compile the example add-ons with VS2010, and successfully ran them in AC1...

Push Menu Control, UC259

Hello! I need something like Push Menu Control, but for icons to show in rows not in columns. UC259 can be shown in rows, but it has no push menu option, it just shows icons in rows. Any ideas how i could get something like Push Menu Control except s...

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