There is no API function to merge a DWG or DXF file into the current
database (worksheet or detail), as File > Interoperability > Merge does.
`ACAPI_Hotlink_CreateHotlinkNode` accepts `APIHotlink_XRef`, but the
documentation says XRefs are handled by the DXF/DWG add-on and t...
`IFCAPI::ObjectAccessor::GetTypeObjectIFCType` returns the IFC class of
an element's type object, but there is no way to identify that type
object (ObjectID or GlobalId), to know which elements share it, or to
read its name and property sets.**Request**An `ObjectAccessor` fu...
Graphic override rules can be read through the API
(`ACAPI_GraphicalOverride_GetOverrideRuleList`) only as criterion XML,
where element type conditions use internal class GUIDs that don't map to
`API_ElemType`. There is also no function to evaluate a criterion,
although Arch...
ContextAdd-ons can read and write layout settings with
ACAPI_Navigator_GetLayoutSets and ACAPI_Navigator_ChangeLayoutSets,
including the custom fields of the Layout Info panel. In a Teamwork
project, ChangeLayoutSets fails unless the layout's settings are
reserved (Layout Bo...
**Subject:** C++ API – ACAPI_Property_CheckPropertyExpressionString
crashes Archicad and returns inconsistent results**Environment:**
Archicad 29 (build 5101), Windows, Spanish version (regional list
separator `;`).**Bug ID:** AC29-2026-10-28-16-19-41-5295**How to
reproduce*...
Related crash and inconsistent results of
ACAPI_Property_CheckPropertyExpressionString in Archicad 29:
https://community.graphisoft.com/t5/Archicad-C-API/ACAPI-Property-CheckPropertyExpressionString-crashes-Archicad-29/m-p/719194#M11101
In previous versions of archicad it was possible to override only the
background and the color of the category of the zone was the same (with
transparency).Since the new version of the zone tool it's not possible.
You have to define the foreground color. It has no
sense.http...
