Force subclasses of an interface to implement ToString

Question

Say I have an interface IFoo and I want all subclasses of IFoo to override Object\'s ToString method. Is this possible?

Simpl

Answer 1

Implementing an interface method implicitly seals the method (as well as overriding it). So, unless you tell it otherwise, the first implementation of an interface ends the override chain in C#.

Essential .NET

Abstract class = your friend

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