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Editorial Team
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Asked: 2026-05-13T22:35:57+00:00

What does a WCF Service Library do that a regular class library doesn’t? Edit:

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What does a WCF Service Library do that a regular class library doesn’t?

Edit: I posted my own answer. Am I missing anything? Are they fundamentally both just class libraries with a few template classes added?

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  1. Editorial Team

    I created both and compared. This is what I found.

    WCF Service Library

    • adds references to System.Runtime.Serialization and System.ServiceModel. does not contain a reference to System.Data.DataSetExtensions as the Class Library does.
    • contains sample service classes IService1, CompositeType and Service1
    • adds app.config with a wsHttpBinding and a mexHttpBinding service endpoint
    • adds /client:"WcfTestClient.exe" as a debug command line option in the project properties
    • adds a WCF Options tab in the project properties. This tab contains an option to start a WCF service host when debugging another project in the same solution
    • enables a Sign the ClickOnce manifests option in the Signing tab of the project properties. this option is disabled in the Class Library
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