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...

outdated Add-On that cannot be used with this ArchiCAD vers

I'm running on Windows XP 32 bit.I'm using Visual Studio 2005 and the v13 API.I'm using the Database Control example add-on unaltered.I compile for Win32 and load the add on into ArchiCad on WinXP 32 bit and it works fine.I compile for x64 (changing ...

Creating a Zone Element

Hi,Is it possible to create a Zone Element through the API? I've tried to create an Element with type API_ZoneID but nothing happens. From what I understand, I would need to create a Polygon for creating the zone, but I can't find any information or ...

Creating a selection box using the API.

Hi everyone ! Here I come again, hoping I could get some help on something I've put a lot of time in without much success.My question is the following : Is there any way to create a selection box using the API and then be able to collect elements wit...

What is the modification time value

projectInfo has a modiStamp field which is UInt64.How is that value interpreted please?If I open a new project and get the projectInfo, the modiStamp field has a value, which changes with every successive call to get the projectInfo even when nothing...

Getting a list of all the files used by a project via API

I can see that the Drawing Manager lists all the files being used by a project.Is there an API call which returns the list of files being used?Thanks for your help.

ACAPI_Automate returning REFUSEDCMD error

I'm calling err = ACAPI_Automate(APIDo_CloseID, NULL, NULL, NULL);from my menu handler with a new plan open from a template and it returns APIERR_REFUSEDCMDIs there a way to close the current file?

get all drawing elements regardless of window

When I use ACAPI_Element_GetElemList(API_DrawingId, ...)I get the drawing elements for the current window.How can I get all the drawing elements for all the windows without changing the current window (or restoring the current window)?Thanks.

ACAPI_RegisterModelessWindow error

Hi all,I have an error in my code with the function ACAPI_RegisterModelessWindow :==========================================================================================if (ACAPI_RegisterModelessWindow (dialID, PaletteAPIControlCallBack,API_PalEna...

Add-On Menu disabled after file close

Hi, my add on menu is disabled after a file close.I added a notification handler to check the menu on file close and it reports the menu as enabled.How can I have my add-on menu enabled even when there is no file open, please?Currently I'm working wi...

Project ID Info incorrect for new template project.

When I open AC 13 using a template and then, with no changes made to the file, issueerr = ACAPI_Environment(APIEnv_ProjectID, &projectInfo, NULL);from my menu handler. The return value is NoError, but projectInfo.untitled is false and projectInfo.loc...

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