File list (Check if you may need any files):
HelloWCF
........\Client
........\......\app.config
........\......\bin
........\......\...\Debug
........\......\...\.....\Client.exe
........\......\...\.....\Client.exe.config
........\......\...\.....\Client.pdb
........\......\Client.csproj
........\......\IHelloWCFService.cs
........\......\obj
........\......\...\Debug
........\......\...\.....\Client.csproj.FileListAbsolute.txt
........\......\...\.....\Client.exe
........\......\...\.....\Client.pdb
........\......\...\.....\TempPE
........\......\...\.....\......\Service References.HelloWCF.Reference.cs.dll
........\......\Program.cs
........\......\Properties
........\......\..........\AssemblyInfo.cs
........\......\Service References
........\......\..................\HelloWCF
........\......\..................\........\configuration.svcinfo
........\......\..................\........\configuration91.svcinfo
........\......\..................\........\HelloWCFService.wsdl
........\......\..................\........\item.disco
........\......\..................\........\item.xsd
........\......\..................\........\item1.xsd
........\......\..................\........\Reference.cs
........\......\..................\........\Reference.svcmap
........\HelloWCF.sln
........\Host
........\....\App.config
........\....\bin
........\....\...\Debug
........\....\...\.....\Host.exe
........\....\...\.....\Host.exe.config
........\....\...\.....\Host.pdb
........\....\...\.....\Host.vshost.exe
........\....\...\.....\Host.vshost.exe.config
........\....\...\.....\Host.vshost.exe.manifest
........\....\HelloWCFService.cs
........\....\Host.csproj
........\....\IHelloWCFService.cs
........\....\obj
........\....\...\Debug
........\....\...\.....\Host.csproj.FileListAbsolute.txt
........\....\...\.....\Host.exe
........\....\...\.....\Host.pdb
........\....\...\.....\TempPE
........\....\Program.cs
........\....\Properties
........\....\..........\AssemblyInfo.cs
........\WCFDuplexHost
........\.............\App_Data
........\.............\bin
........\.............\IMyMessage.cs
........\.............\IMyMessageCallback.cs
........\.............\MessageService.cs
........\.............\obj
........\.............\...\Debug
........\.............\...\.....\TempPE
........\.............\Properties
........\.............\..........\AssemblyInfo.cs
........\.............\Service1.svc
........\.............\Service1.svc.cs
........\.............\WCFDuplexHost.csproj
........\.............\Web.config