Code Fix: Cannot inherit from DocuSign SmartObject dll assembly to override methods
KB002349
PRODUCTK2 Five 5.0
K2 Five (5.0) Fix Pack 20
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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. You are presented with an error.
Error Message
The following error occurs: “CS0509: 'ExtendDoc': cannot derive from sealed type 'Broker”
Cause.
The assembly was marked as sealed, therefore inheritance was not allowed.
Resolution
- Ensure you have K2 Five RTM installed.
- Get the K2 Five RTM FP20 from Regional Support.
- Install the K2 Five RTM FP20 to apply the fix.
- You are no longer presented with an error.