Code Fix: Cannot inherit from the Docusign SmartObject dll assembly, to be able to override methods.

  • 16 February 2021
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Code Fix: Cannot inherit from DocuSign SmartObject dll assembly to override methods














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Issue Description


You cannot inherit the properties and methods of the DocuSign SmartObject dll assembly in a Visual Studio custom project. An error is thrown.


Error Message


error CS0509: 'ExtendDoc': cannot derive from sealed type 'Broker'


Cause


The assembly was marked as sealed, therefore inheritance was not allowed.


Resolution



  1. Ensure you have K2 4.7 installed.

  2. Download and Install the K2 4.7 March 2018 Cumulative Update from K2 Partner and Customer Portal.

  3. Get the K2 4.7 March 2018 Cumulative Update FP6 from Regional Support.

  4. Install the K2 4.7 March 2018 Cumulative Update FP6 to apply the fix.


 






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