topic Re: How to catch event when change parameter, delete, create, move (column, beam, wall,..) in Archicad C++ API https://community.graphisoft.com/t5/Archicad-C-API/How-to-catch-event-when-change-parameter-delete-create-move/m-p/658869#M10258 <P>Thank you sir</P> Thu, 10 Apr 2025 01:19:57 GMT Le Tan Kien 2025-04-10T01:19:57Z How to catch event when change parameter, delete, create, move (column, beam, wall,..) https://community.graphisoft.com/t5/Archicad-C-API/How-to-catch-event-when-change-parameter-delete-create-move/m-p/658764#M10254 <P>Hi there,&nbsp;<BR />I want to catch event when change parameter, delete, create, move (column, beam, wall, object,..)&nbsp;&nbsp;</P><P><SPAN>Is there a way to do this using the C++ API?</SPAN><BR /><SPAN>Could you please guide me on how to do it? Thank you very much.</SPAN></P> Wed, 09 Apr 2025 09:17:48 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-to-catch-event-when-change-parameter-delete-create-move/m-p/658764#M10254 Le Tan Kien 2025-04-09T09:17:48Z Re: How to catch event when change parameter, delete, create, move (column, beam, wall,..) https://community.graphisoft.com/t5/Archicad-C-API/How-to-catch-event-when-change-parameter-delete-create-move/m-p/658791#M10255 <P>Hi!</P> <P>&nbsp;</P> <P>You are looking for&nbsp;<A href="https://graphisoft.github.io/archicad-api-devkit/group___element.html#ga4e7696dc5135c83ca77fc0c076222adf" target="_self">ACAPI_Element_AttachObserver</A>, <A href="https://graphisoft.github.io/archicad-api-devkit/group___element.html#gaa640b4d073a2e78c2eb83fe351def4ae" target="_blank">ACAPI_Element_CatchNewElement</A> and related functions.</P> <P>&nbsp;</P> <P>It's best to check the file Element_Observer.cpp in the <STRONG>Notification_Manager example</STRONG> that comes with the API DevKit.</P> <P>&nbsp;</P> <P>Hope that helps,</P> <P>Bernd</P> Wed, 09 Apr 2025 12:18:25 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-to-catch-event-when-change-parameter-delete-create-move/m-p/658791#M10255 BerndSchwarzenbacher 2025-04-09T12:18:25Z Re: How to catch event when change parameter, delete, create, move (column, beam, wall,..) https://community.graphisoft.com/t5/Archicad-C-API/How-to-catch-event-when-change-parameter-delete-create-move/m-p/658869#M10258 <P>Thank you sir</P> Thu, 10 Apr 2025 01:19:57 GMT https://community.graphisoft.com/t5/Archicad-C-API/How-to-catch-event-when-change-parameter-delete-create-move/m-p/658869#M10258 Le Tan Kien 2025-04-10T01:19:57Z