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...

Getting openings from marquee selection

I am trying to get only openings(windows/doors) from the Marquee Selection, using function ACAPI_Selection_Get the problem is that it only retrieves walls that are owners of those winows/doors. It is possible to get such selection from archicad whe...

Override rules creation

Hi,I am digging in the Override_Test example project to see what the API lets us do in this field. I am very surprised to realize that rules creation implies creating manually then saving their criterions as an XML string. API_OverrideRule rule; rule...

ArchiCAD API and Visual Studio 2015

Hi,I am new to development with ArchiCAD API. I don't have VS 2010 so I tried to recompile the examples in the API DevKit 20 with VS 2015 but it failed. I think it is because it uses the updated VC++ librairies.I read on the ArchiCAD API twitter that...

[SOLVED] Opening text file into add-on

Hi everybody!I am new to archicad and C++. I am developing the add-on on x-code 8.3.2. The add-on is for my company, which will import materials and build ups from text file. Now I have a struggle and I can't find any method in the API for opening si...

[SOLVED] How to get and change element ID in AC18

Hello!Im need to change ID of the element in AC18.But can't see in docs how do it.Help me please!)

Dialog item (static text) auto-resize

Is there a way to simulate an auto-resize of a static text? When I have a long message, I want to resize the height of the static text until all the message is shown.

[SOLVED] APIEnv_SearchNavigatorItemID not working correctly?

Hi AllI am trying to create an addon that searches through all navigator items and changes various view settings. All is working well but I have found the search is only working for floor plan and perspective view types.the code below comes directly ...

Archicad API in .NET???

Just a question from a noob: Would it make sense an Archicad API in .NET?? would this make easier to develop connection plugins in other platforms like Grasshopper?Would it make sense to wrap ArchiCAD C++ library to other languages?Cheersaitor

Global Variables

Just wondering if it would be possible to create a series of global variables or properties which could be accessible by any other ADD-Ons and exist for the life of the Plan? If so, could those same global properties be used to reference that info wi...

[SOLVED] Full & Compact Element ID in Zone

Where is this "Compact Element ID" information stored?In Archicad it is found in a Zone Settings under Categories and Settings -> ID & Categories.In the same group I see the following data (im using the CHE Version):Element Classification: RoomID-Nr....

Graphisoft Community

Forum Posts