topic Re: Error The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no constru in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376453#M9936 <HTML><HEAD></HEAD><BODY><P>Thanks, this is what I was looking for</P></BODY></HTML> Fri, 23 Jan 2015 13:05:06 GMT BarbaraSchneider1 2015-01-23T13:05:06Z Error The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no constru https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376448#M9931 <HTML><HEAD></HEAD><BODY><SPAN>I updated a .Net project from FW 3.5 to 4.0 (change the .Net FW target), I received a dozen of errors about No Constructors defined.&nbsp; One of them is below:</SPAN><BR /><SPAN>Error&nbsp; The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no constructors defined</SPAN><BR /><SPAN>What should I do to solve this problem?&nbsp; Thanks.</SPAN></BODY></HTML> Mon, 12 Mar 2012 12:33:53 GMT https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376448#M9931 ShaningYu 2012-03-12T12:33:53Z Re: Error The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no con https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376449#M9932 <HTML><HEAD></HEAD><BODY><SPAN>The .NET Framework 4.0 is not currently supported.&nbsp; You'll have to change the target framework back to 3.5.</SPAN></BODY></HTML> Mon, 12 Mar 2012 12:38:49 GMT https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376449#M9932 NeilClemmons 2012-03-12T12:38:49Z Re: Error The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no con https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376450#M9933 <HTML><HEAD></HEAD><BODY><SPAN>Use the approach posted at:</SPAN><BR /><A href="http://gis.stackexchange.com/questions/5782/no-constructor-defined">http://gis.stackexchange.com/questions/5782/no-constructor-defined</A><BR /><SPAN>1)&nbsp; In your project references, find the assembly where FeatureClassNameClass is (ie ESRI.ArcGIS.Geodatabase). </SPAN><BR /><SPAN>2)&nbsp; Right-click it and select "properties" </SPAN><BR /><SPAN>3)&nbsp; Change "Embed interop types" to "false" </SPAN><BR /><SPAN>The No-Constructor problem is gone.</SPAN></BODY></HTML> Mon, 12 Mar 2012 12:43:32 GMT https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376450#M9933 ShaningYu 2012-03-12T12:43:32Z Re: Error The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no con https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376451#M9934 <HTML><HEAD></HEAD><BODY><SPAN>You can do that if you want but I've run into problems trying to use the 4.0 Framework with ArcObjects.&nbsp; The majority of our code is still at 9.3.1 but if you're using 10.0 you may not run into the same problems.</SPAN></BODY></HTML> Mon, 12 Mar 2012 12:47:49 GMT https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376451#M9934 NeilClemmons 2012-03-12T12:47:49Z Re: Error The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no con https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376452#M9935 <HTML><HEAD></HEAD><BODY><SPAN>Neil:</SPAN><BR /><SPAN>Thanks for your response.&nbsp; Actually, the problem I got is that posted at </SPAN><BR /><A href="http://forums.arcgis.com/threads/52656-Error-HRESULT-E_FAIL-has-been-returned-from-a-call-to-a-COM-component-">http://forums.arcgis.com/threads/52656-Error-HRESULT-E_FAIL-has-been-returned-from-a-call-to-a-COM-component-</A><SPAN>...</SPAN><BR /><SPAN>Then I tried to change the FW from 3.5 to 4.0.&nbsp; The No-Constructor problem appears to be gone (see my continued thread).&nbsp; But the avobe error (HRESULT-E_FAIL) still exists.&nbsp; Thanks.</SPAN><BR /><SPAN>Shaning</SPAN></BODY></HTML> Mon, 12 Mar 2012 12:51:07 GMT https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376452#M9935 ShaningYu 2012-03-12T12:51:07Z Re: Error The type 'ESRI.ArcGIS.Geometry.SpatialReferenceEnvironmentClass' has no constru https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376453#M9936 <HTML><HEAD></HEAD><BODY><P>Thanks, this is what I was looking for</P></BODY></HTML> Fri, 23 Jan 2015 13:05:06 GMT https://community.esri.com/t5/arcobjects-sdk-questions/error-the-type-esri-arcgis-geometry/m-p/376453#M9936 BarbaraSchneider1 2015-01-23T13:05:06Z