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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...

Font handling with the API

Hi, I Can't figure out how to use fonts with the API.I have a dialog with a font popup, then try to use the selected font to create a text element. element.text.font is of type short, but I can't figure out how to retreive a short value from the font...

UI inside Archicad for GHAC or Python API

So I was chatting with a colleague earlier about some ideas of what we could create with the GHAC or the Python API, We had some great ideas, but realised that anything created within those languages would be completely inaccessible for other staff w...

scottjm by Enthusiast
  • 80 Views
  • 0 replies
  • 0 likes

Resolved! ACAPI_3D_GetCutPolygonInfo problem

Hello Everyone! I'm trying to figure out what the ACAPI_​3D_​GetCutPolygonInfo function is capable of.My first problem is that the example code included with this function cannot be built. The VS gives an error:error C2027: use of undefined type 'Geo...

Resolved! GSM Decompiled to XML - Owner & Signature Fields

Hi Guys, I am deep into the world of the LPXML_Converter messing around with modifying the source xml's of Archicad objects. In the root xml node there are two attributes called Owner & Signature with cryptic numbers.I believe these are related to th...

scottjm by Enthusiast
  • 185 Views
  • 5 replies
  • 1 likes

API: How to check if an attribute is used in the project

Using the Attribute manager the user sees whether an attribute, like a texture, is used in the project or not (first column checkboxes). I've been looking for the same in the C++ API and I swear I haven't seen anything similar neither among the funct...

Resolved! Outdated AddOn

Dear Community, I managed to build my first AddOn and it works perfectly on my machine, but when i try it on another i always get the error "Diese Datei ist ein veraltetes Add-On, dass mit dieser Archicad Version nicht verwendet werden kann." (Deepl ...

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Dayiz by Booster
  • 140 Views
  • 3 replies
  • 0 likes

How to send a message to the created palette

hello. I am developing using API Development Kit 25.3002 (Windows). I would like to send a DG_MSG_CHANGE message to the radio buttons in the palette I created. The DGSendMessage function was described in the manual, so I tried to use it I'm having tr...