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Developer forum
GDL coding questions, Python and add-on development using the API Dev Kit.

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...

object - plumbing point for basin

Hey folks, Trying to create some new basin object that have the plumbing point attached. Trying to get the plumbing point to display on one level below, so if the basin moves than the plumbing point in the slab plan will go with it. At the moment the...

tomyg by • Booster
  • 786 Views
  • 6 replies
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Resolved! Multiple add-ons not loading

HiI created two add-ons, each having its own unique 'Local ID', and my developer ID. Each works fine when loaded independently at a time in Archicad 25. But when I try to load both of them in the same instance of Archicad, only one works.Could it be ...

dushyant by • Enthusiast
  • 634 Views
  • 4 replies
  • 0 likes

Resolved! Creating elements from GDL code

Is it possible to create Arhicad elements (polyline, grid, hatching, wall, beam, hole, etc.) directly from the GDL script code? To access or change their properties?

[API] Has been something changed in DXF/DWG add-on since AC24?

Hello developers,I am maintaining a plugin for a couple of last versions of the Archicad. The following code had been working overtime. I use it to import my DWG files as LibPart through the plugin. Since AC24 it has been getting a crush on ACAPI_Com...

Dejmas by • Participant
  • 327 Views
  • 0 replies
  • 0 likes

Resolved! AC24 how to change rectangle columns section width and height?

I can create a rectangle column, but don't know how to change section width and height, AC24: void Do_CreateColumn (void) { API_Coord point; if (!ClickAPoint ("Pick a point", &point)) { return; } API_Element element; API_ElementMemo memo; BNClear (el...

Boling1 by • Contributor
  • 512 Views
  • 2 replies
  • 0 likes

Resolved! Modifying selection-set using a list of guids

Hi I am trying to modify a selection set, based on a list of guids, by looping through the guid-list and calling the following function for each guid: void MyPalette::ModifySelection(const GS::UniString& elemGuidStr) { ACAPI_Element_Select({ API_Neig...

dushyant by • Enthusiast
  • 360 Views
  • 2 replies
  • 0 likes

Resolved! GDL - How can I get user-defined properties?

Hello. I can retrieve the core and IFC properties with Application Query Options.But I cannot retrieve the user-defined properties with this query.The reference guide describes it as follows. These queries don’t return user-defined properties. Then h...

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