topic ArcMap crashing Caused By Add-In in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/arcmap-crashing-caused-by-add-in/m-p/488085#M13164 <HTML><HEAD></HEAD><BODY><P>I developed an Add-In in VS2012 on my development environment.&nbsp; But when I deployed on other CPU's, the Add-In causes ArcMap crashing.&nbsp; The exception received shows that</P><P>System.NullReferenceException: Object reference not set to an instance of an object at ... Line 76</P><P>Line 76:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; m_mxDoc = (IMxDocument)m_app.Document;&nbsp;&nbsp;&nbsp;</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // where the IApplication m_app is null;</P><P>What's the possible solution for solving this problem?&nbsp; Thanks.</P></BODY></HTML> Fri, 12 May 2017 11:39:00 GMT ShaningYu 2017-05-12T11:39:00Z ArcMap crashing Caused By Add-In https://community.esri.com/t5/arcobjects-sdk-questions/arcmap-crashing-caused-by-add-in/m-p/488085#M13164 <HTML><HEAD></HEAD><BODY><P>I developed an Add-In in VS2012 on my development environment.&nbsp; But when I deployed on other CPU's, the Add-In causes ArcMap crashing.&nbsp; The exception received shows that</P><P>System.NullReferenceException: Object reference not set to an instance of an object at ... Line 76</P><P>Line 76:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; m_mxDoc = (IMxDocument)m_app.Document;&nbsp;&nbsp;&nbsp;</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // where the IApplication m_app is null;</P><P>What's the possible solution for solving this problem?&nbsp; Thanks.</P></BODY></HTML> Fri, 12 May 2017 11:39:00 GMT https://community.esri.com/t5/arcobjects-sdk-questions/arcmap-crashing-caused-by-add-in/m-p/488085#M13164 ShaningYu 2017-05-12T11:39:00Z Re: ArcMap crashing Caused By Add-In https://community.esri.com/t5/arcobjects-sdk-questions/arcmap-crashing-caused-by-add-in/m-p/488086#M13165 <HTML><HEAD></HEAD><BODY><P>Problem solved by re-set FW=4.0 from 4.5 (also including the runtime verion).&nbsp; Thanks.</P></BODY></HTML> Fri, 19 May 2017 18:36:03 GMT https://community.esri.com/t5/arcobjects-sdk-questions/arcmap-crashing-caused-by-add-in/m-p/488086#M13165 ShaningYu 2017-05-19T18:36:03Z