This text file contains example code from:
Chapter 5 - WCF Services  
Book - SOA with .NET & Windows Azure: Realizing Service-Orientation with the Microsoft Platform
Series - Prentice Hall Service-Oriented Computing Series from Thomas Erl (www.soabooks.com/community)
Certification - These examples are used as part of the Certified SOA .NET Developer curriculum (www.soaschool.com)



<example id="ch05ex04" label="5.4" xreflabel="5.4" float="1">
<?docpage num="80"?>
<title id="ch05ex04.title"/>
<programlisting linenumbering="unnumbered">namespace <emphasis role="strong">HelloWorld</emphasis>
{
  [ServiceContract(<emphasis role="pd_red">SessionMode</emphasis>=SessionMode.Required)]
  public interface IGreetings
  {
    [OperationContract(Name="GreetRequestor")]
    string Greet();
  }
}</programlisting>
</example>