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Editorial Team
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Asked: 2026-05-29T23:48:10+00:00

If i have few WCF extension modules of same kind (like parameter inspector) can

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If i have few WCF extension modules of same kind (like parameter inspector) can i be sure they’re executed in the order i define them in the configuration file?

<system.serviceModel>
    <extensions>
        <behaviorExtensions>
            <add name="MyInspectorA" type="blabla" />
            <add name="MyInspectorB" type="blabla" />
        </behaviorExtensions>
    </extensions>
</system.serviceModel>

I need more guaranties than just my observations but can’t find any confirmations on MSDN.

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1 Answer

  1. Editorial Team

    They’ll be executed in the order they appear in the

    <system.serviceModel>
    <behaviors>
    <[service|endpoint]Behaviors>
    <behavior>
    <behavior_1 />
    <behavior_2 />
    <behavior_n />
    </behavior>
    </[service|endpoint]Behaviors>
    </behaviors>
    </system.serviceModel>

    , not in the order listed in the behavior extensions.

    And service behaviors are called before endpoint behaviors – the order among the behaviors is described in http://blogs.msdn.com/b/carlosfigueira/archive/2011/03/16/wcf-extensibility-behaviors.aspx.

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