Is there any reason to support the WCF interface in a separate file?

Question

Just a personal style, I think, but I don’t like having 2 files for my WCF services. I like to copy / paste the interface into the .cs file, so I only need to deal with one file.

Any dangers in doing so?

Answer 1

There are no dangers per se - but there are times when it is very useful to have a separate assembly with your service, work and data contracts (only contracts, interfaces, basically) - when you need to share between the server and the client side.

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Answer 2

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