How can i protect my dll from decompiler?

Question

I want to protect my dll from decompile for that i have created dll in release mode and also remove .pub feature at dll creating time.
I have also read about obfuscator tool but i am not able to protect my dll.
Is there any one know how to protect dll from decompile?
I have checked answer of How can I protect my .NET assemblies from decompilation? but it is not providing proper answer and provide only description that you can't make secure your dll code...

Answer 1

You can't. What you can do is obfuscate the code, but it still can be decompiled.

Here is a tool for this:

http://www.9rays.net/Category/55-spicesnet-obfuscator.aspx