ROSLYN.USAGE.CA2258 : Providing a 'DynamicInterfaceCastableImplementation' interface in Visual Basic is unsupported (C#)

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ROSLYN.USAGE.CA2258 : Providing a 'DynamicInterfaceCastableImplementation' interface in Visual Basic is unsupported (C#)

Summary

Providing a functional 'DynamicInterfaceCastableImplementationAttribute'-attributed interface requires the Default Interface Members feature, which is unsupported in Visual Basic.

This check corresponds to Roslyn rule CA2258. For full rule details, see the Microsoft website: CA2258.

Properties

Class Name	Providing a 'DynamicInterfaceCastableImplementation' interface in Visual Basic is unsupported (C#)
Significance	reliability
Mnemonic	ROSLYN.USAGE.CA2258
Categories	None
Availability	Available for C# only.
Enabling	Checks for this warning class are enabled by default. To disable them, add the following WARNING_FILTER rule to the project configuration file. WARNING_FILTER += discard class="Providing a 'DynamicInterfaceCastableImplementation' interface in Visual Basic is unsupported (C#)"

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.