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Denying your public classes from your end customers

Here's a cool way to make sure that no one else but your application can use any of the public classes that are exposed by your business assemblies: you put a permission requirement on the class that requires the strong name of your calling assembly:

[StrongNameIdentityPermission(SecurityActoin.LinkDemand, PublicKey="XXXYY)]

public class MyPublicLogicClass


//do something


[via Juval Lowy's .Net Master class]

Do not serialize delegates and events blindly

Developing as non-admin made easier with VS.Net 2005?