WCF 4.5 Simplification

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One of the main goals of WCF 4.5 release is to simplify the development. Many few features have been introduced to achieve this goal.

1. Simplified Auto generated Configuration files.

In previous versions of WCF when an service reference is added to the client applications all the configurations for the bindings will be added to the client configuration even those values are default values,  In WCF 4.5 the generated configuration files contain only those binding properties that are set to a non-default value.

 WCF 3.0

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <system.serviceModel>
        <bindings>
            <basicHttpBinding>
                <binding name="BasicHttpBinding_IService1" closeTimeout="00:01:00"
                    openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
                    allowCookies="false" bypassProxyOnLocal="false" 
                    hostNameComparisonMode="StrongWildcard" maxBufferSize="65536" 
                    maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
                    messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered"
                    useDefaultWebProxy="true">
                    <readerQuotas maxDepth="32" maxStringContentLength="8192" 
                        maxArrayLength="16384" maxBytesPerRead="4096"
                        maxNameTableCharCount="16384" />
                    <security mode="None">
                        <transport clientCredentialType="None" proxyCredentialType="None"
                            realm="" />
                        <message clientCredentialType="UserName" algorithmSuite="Default" />
                    </security>
                </binding>
            </basicHttpBinding>
        </bindings>
        <client>
            <endpoint address="http://localhost:36906/Service1.svc" binding="basicHttpBinding"
                bindingConfiguration="BasicHttpBinding_IService1" contract="IService1"
                name="BasicHttpBinding_IService1" />
        </client>
    </system.serviceModel>
</configuration>

 


WCF 4.5 

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <system.serviceModel>
        <bindings>
            <basicHttpBinding>
                <binding name="BasicHttpBinding_IService1" />
            </basicHttpBinding>
        </bindings>
        <client>
            <endpoint address="http://localhost:36906/Service1.svc" binding="basicHttpBinding"
                bindingConfiguration="BasicHttpBinding_IService1" contract="IService1"
                name="BasicHttpBinding_IService1" />
        </client>
    </system.serviceModel>
</configuration>

 


2. WCF Configuration Validation


As part of the build process within Visual Studio, WCF configuration files are now validated. A list of validation errors or warnings are displayed in Visual Studio if the validation fails.

 


3. XML Editor Tooltips


In order to help new and existing WCF service developers to configure their services, the Visual Studio XML editor now provides tooltips for every configuration element and its properties that is part of the service configuration file.

 

4. BasicHttpBinding Improvements



  1. Enables a single WCF endpoint to respond to different authentication modes.
  2. Enables a WCF service’s security settings to be controlled by IIS

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