topic Problems with extending arcobjects ?? in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/problems-with-extending-arcobjects/m-p/446493#M12117 <HTML><HEAD></HEAD><BODY><P>I installed arcgis 10.5 trial and arcobjects 10.5 sdk .net from the web site. I have MVS 2015 community. But when I create a new project and try to add a class (lets say toolbar for arcmap), I get such an error "a file with the name 'blabla.cs' already exist or is open in an editor. Please give a unique name to the item you are adding, or delete the exisiting item first.". What should I do in order not to get such an error??</P></BODY></HTML> Tue, 09 May 2017 10:14:12 GMT ekerremzi 2017-05-09T10:14:12Z Problems with extending arcobjects ?? https://community.esri.com/t5/arcobjects-sdk-questions/problems-with-extending-arcobjects/m-p/446493#M12117 <HTML><HEAD></HEAD><BODY><P>I installed arcgis 10.5 trial and arcobjects 10.5 sdk .net from the web site. I have MVS 2015 community. But when I create a new project and try to add a class (lets say toolbar for arcmap), I get such an error "a file with the name 'blabla.cs' already exist or is open in an editor. Please give a unique name to the item you are adding, or delete the exisiting item first.". What should I do in order not to get such an error??</P></BODY></HTML> Tue, 09 May 2017 10:14:12 GMT https://community.esri.com/t5/arcobjects-sdk-questions/problems-with-extending-arcobjects/m-p/446493#M12117 ekerremzi 2017-05-09T10:14:12Z