Learn C#: Method Hiding (and Why You Will Want To Avoid It)

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Method hiding is one of the most obscure programming techniques in C#. It lets you redefine a method in a derived class without actually overriding it.
Does method hiding produce polymorphic types? No, it does not. Is it not polymorphic, then? Well, no, sometimes it is. What the hack?!
Some programmers accept to hide an inherited method with another one with the same signature in an attempt to accomplish various goals. What they fail to understand, though, is that every such implementation can only work as expected in a narrow set of use cases. At the same time, it will behave erratically in other cases.
Worse yet, in the narrow window of opportunity within which you can effectively invoke a method in the derived class, at least two other programming techniques exist that work as expected under any circumstances! One is to define a method whose name does not conflict with the base class. Another is to apply interface implementation rather than class derivation.
The world is your oyster if you are ready to ditch method hiding from your tool belt!
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