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Rule

The only reason to override 

Finalize()

is if your C# class is making use of unmanaged resources via

PInvoke or complex COM interoperability tasks (typically via various members defined by the 

System.Runtime.

InteropServices.Marshal

type).

Overriding System.Object.Finalize()

In the rare case that you do build a C# class that makes use of unmanaged resources, you will obvi-

ously wish to ensure that the underlying memory is released in a predictable manner. Assume you

have created a new C# Console Application named SimpleFinalize and inserted a class named

MyResourceWrapper that makes use of an unmanaged resource (whatever that may be) and you wish

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to override Finalize(). The odd thing about doing so in C# is that you cannot do so using the

expected override keyword:

public class MyResourceWrapper

{