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Discussions about using GRAPHISOFT's tools (API DevKit) for independent software developers

Moderators: Barry Kelly, Karl Ottenstein, LaszloNagy, ejrolon, gkmethy, Tibor Lorántfy, rmasaki, MOREH Tamas, Akos Somorjai, Ed Brown, Mihály Palenik

I'm pretty sure you can't process undoable actions during the callback for a project event notification. The right approach would be to ask ARCHICAD to notify you when it's appropriate to action this process – I suggest that you take a look at ACAPI_Command_CallFromEventLoop