topic Re: How to write Managed C++ proxy class correctly in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171095#M4423 <HTML><HEAD></HEAD><BODY><P>No I can't. Could you guide me step be step to include comdef.h in project?&nbsp;</P><P></P><P>Where is&nbsp;<SPAN>comdef.h file locate?</SPAN></P></BODY></HTML> Fri, 03 Aug 2018 13:14:31 GMT NattawutWiginiyatanee1 2018-08-03T13:14:31Z How to write Managed C++ proxy class correctly https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171092#M4420 <HTML><HEAD></HEAD><BODY><P>I've look at this document&nbsp;</P><P><A class="link-titled" href="https://desktop.arcgis.com/en/arcobjects/latest/net/webframe.htm#26b7a578-7854-4ff9-b96c-948eded73626.htm" title="https://desktop.arcgis.com/en/arcobjects/latest/net/webframe.htm#26b7a578-7854-4ff9-b96c-948eded73626.htm">https://desktop.arcgis.com/en/arcobjects/latest/net/webframe.htm#26b7a578-7854-4ff9-b96c-948eded73626.htm</A>&nbsp;</P><P>About performance .Net and Managed C++</P><P></P><P>What I want to do is writing Managed C++ proxy class to improve the performance of my desktop app which use ArcObject.</P><P></P><P>I've successfully created a test project (visual c++, CRL class project) and reference ESRI dll.</P><P>And able to use ArcOcject interfaces and classes. But what I noticed is that I can't use IPointPtr which presents in the example in the document above.</P><P></P><P>I can use IFeatureWorksapce but not IFeatureWorkspacePtr</P><P></P><P>So I think what I'm doing now is incorrect.</P><P></P><P>Could you please guide me what to do to able to use&nbsp;<SPAN>IFeatureWorkspacePtr</SPAN></P><P></P><P>Thanks in advance.</P></BODY></HTML> Thu, 21 Sep 2017 13:29:30 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171092#M4420 NattawutWiginiyatanee1 2017-09-21T13:29:30Z Re: How to write Managed C++ proxy class correctly https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171093#M4421 <HTML><HEAD></HEAD><BODY><P>I'm still waiting for someone who can answer this question...&nbsp;<IMG src="https://community.esri.com/legacyfs/online/emoticons/sad.png" /></P></BODY></HTML> Mon, 25 Jun 2018 02:13:54 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171093#M4421 NattawutWiginiyatanee1 2018-06-25T02:13:54Z Re: How to write Managed C++ proxy class correctly https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171094#M4422 <HTML><HEAD></HEAD><BODY><P>Hi Nattawut,</P><P>Can you use IUnknownPtr in your application? If no, check is comdef.h is included in your project</P></BODY></HTML> Tue, 03 Jul 2018 11:14:54 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171094#M4422 GKmieliauskas 2018-07-03T11:14:54Z Re: How to write Managed C++ proxy class correctly https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171095#M4423 <HTML><HEAD></HEAD><BODY><P>No I can't. Could you guide me step be step to include comdef.h in project?&nbsp;</P><P></P><P>Where is&nbsp;<SPAN>comdef.h file locate?</SPAN></P></BODY></HTML> Fri, 03 Aug 2018 13:14:31 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-write-managed-c-proxy-class-correctly/m-p/171095#M4423 NattawutWiginiyatanee1 2018-08-03T13:14:31Z