https://community.graphisoft.com/t5/Archicad-C-API/error-C3861-ACAPI-GetMainWindow-identifier-not-found-ev/m-p/118579#M6452 <DIV class="actalk-migrated-content">Hello!<BR /><BR />I want to receive HWND.<BR />I cause <STRONG>ACAPI_GetMainWindow</STRONG>. For its use I write <BLOCKQUOTE>#include "ACAPinc.h"</BLOCKQUOTE> VS 2003 writes: <BLOCKQUOTE>error C3861: 'ACAPI_GetMainWindow': identifier not found, even with argument-dependent lookup</BLOCKQUOTE> In properties of the project:<BR />"D:\Program Files\Graphisoft\API Development Kit 11.21\Support\Inc".<BR /><BR />Why he does not find her?<BR /><BR />Thanks.</DIV> Fri, 04 Aug 2023 13:14:58 GMT Anonymous 2023-08-04T13:14:58Z https://community.graphisoft.com/t5/Archicad-C-API/error-C3861-ACAPI-GetMainWindow-identifier-not-found-ev/m-p/118579#M6452 <DIV class="actalk-migrated-content">Hello!<BR /><BR />I want to receive HWND.<BR />I cause <STRONG>ACAPI_GetMainWindow</STRONG>. For its use I write <BLOCKQUOTE>#include "ACAPinc.h"</BLOCKQUOTE> VS 2003 writes: <BLOCKQUOTE>error C3861: 'ACAPI_GetMainWindow': identifier not found, even with argument-dependent lookup</BLOCKQUOTE> In properties of the project:<BR />"D:\Program Files\Graphisoft\API Development Kit 11.21\Support\Inc".<BR /><BR />Why he does not find her?<BR /><BR />Thanks.</DIV> Fri, 04 Aug 2023 13:14:58 GMT https://community.graphisoft.com/t5/Archicad-C-API/error-C3861-ACAPI-GetMainWindow-identifier-not-found-ev/m-p/118579#M6452 Anonymous 2023-08-04T13:14:58Z https://community.graphisoft.com/t5/Archicad-C-API/error-C3861-ACAPI-GetMainWindow-identifier-not-found-ev/m-p/118580#M6453 You'll have to do a <PRE>#define ACExtension</PRE> before the #include statement.<BR /> <BR /> HTH,<BR /> <BR /> Akos Wed, 16 Jul 2008 16:20:17 GMT https://community.graphisoft.com/t5/Archicad-C-API/error-C3861-ACAPI-GetMainWindow-identifier-not-found-ev/m-p/118580#M6453 Akos Somorjai 2008-07-16T16:20:17Z