Create your class library and build it, this will generate a DLL. In the project that you want to use this DLL, simply add a reference to it. (Right click your project and select add reference)
hth.
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Read this if you want to know how to get a correct reply for your question:
http://www.catb.org/~esr/faqs/smart-questions.html
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.: Wrox Technical Editor :.
Wrox Books 24 x 7
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