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Developer forum

Forum Posts

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...

[SOLVED] Where is DG::Image defined?

In the docs, the image parameter for DGSetItemImage is a void * which resolves to a platform-dependent bitmap handle (HBITMAP on Win). But the actual header defines this as a DG::Image class (namespace DG). It's forward-declared for the parameter ref...

Anonymous by • Not applicable
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[SOLVED] Panel_Test problems

Hi I compiled the apx and loaded it through the Add-on Manager. But I dont see any additional panels. Where are these panels visible? My goal is to provide a custom UI for values I stored with ACAPI_Element_SetUserData(). On another note, just to ver...

Anonymous by • Not applicable
  • 2519 Views
  • 4 replies
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Adding Custom Settings

Hi how can I enhance a library part imported from a gsm file, filling in the "Custom Settings" tab, that is visible from the "Object Selection Settings" dialog? I attach a picture of such an example from the Designer Couch 18 from the AC18 built in l...

Anonymous by • Not applicable
  • 1390 Views
  • 0 replies
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View notification

Is there a notification available for when a user changes the 3D view, as in a pan, rotate, zoom etc? A camera modification in the 2D plan view triggers a notification, but I can't see how to catch it in the 3D view. Suggestions appreciated.

Anonymous by • Not applicable
  • 3050 Views
  • 5 replies
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Quality of Developer Support

A month ago I have send my first e-mail to developer-registration a request for a pro-forma invoice for Archicad developer license and one year support. After two weeks of patient waiting for a response and receiving none, I have chosen a different r...

[Solved] Attach user parameters to an ArchiCad part

Hi, how can i add custom properties to an ArchiCad model and preserve those properties through a save, load cycle in AC; I would like to attach some custom string and numeric data, sort of like BIM info to any chosen part. Thanks Dimi

Anonymous by • Not applicable
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  • 2 replies
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Retrieving model object from standard API

I'm new to AC dev and I think I'm missing something obvious. I want to get the ModelerAPI::Model object (or all of them if there's more than one in a scene) from the general SDK (no problem with the Rendering SDK). Any suggestions greatly appreciated...

Anonymous by • Not applicable
  • 1373 Views
  • 1 replies
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Questions regarding curtain wall and elements.

Hey, I have a couple of questions. First: Is there a way of choosing the bottom start of the curtain wall? I ask this because a normal wall has a bottomOffset, but I couldn't find anything that would do the same thing in curtain walls. Second: Is the...

Anonymous by • Not applicable
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What is CGAmbiguity and GS::CGError?

I am getting the following exceptions: First-chance exception at <64-bit hex value> in ArchiCAD.exe: Microsoft C++ exception: CGAmbiguity at memory location <32-bit hex value>.. and First-chance exception at <64-bit hex value> in ArchiCAD.exe: Micros...

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