File list (Check if you may need any files):
Artech.DuplexRemoting\Artech.DuplexRemoting.Client
.....................\............................\App.config
.....................\............................\Artech.DuplexRemoting.Client.csproj
.....................\............................\bin
.....................\............................\...\Debug
.....................\............................\...\.....\Artech.DuplexRemoting.Client.exe
.....................\............................\...\.....\Artech.DuplexRemoting.Client.exe.config
.....................\............................\...\.....\Artech.DuplexRemoting.Client.pdb
.....................\............................\...\.....\Artech.DuplexRemoting.Client.vshost.exe
.....................\............................\...\.....\Artech.DuplexRemoting.Client.vshost.exe.config
.....................\............................\...\.....\Artech.DuplexRemoting.Contract.dll
.....................\............................\...\.....\Artech.DuplexRemoting.Contract.pdb
.....................\............................\CalculatorCallbackHandler.cs
.....................\............................\obj
.....................\............................\...\Artech.DuplexRemoting.Client.csproj.FileList.txt
.....................\............................\...\Debug
.....................\............................\...\.....\Artech.DuplexRemoting.Client.exe
.....................\............................\...\.....\Artech.DuplexRemoting.Client.pdb
.....................\............................\...\.....\TempPE
.....................\............................\Program.cs
.....................\............................\Properties
.....................\............................\..........\AssemblyInfo.cs
.....................\Artech.DuplexRemoting.Contract
.....................\..............................\Artech.DuplexRemoting.Contract.csproj
.....................\..............................\bin
.....................\..............................\...\Debug
.....................\..............................\...\.....\Artech.DuplexRemoting.Contract.dll
.....................\..............................\...\.....\Artech.DuplexRemoting.Contract.pdb
.....................\..............................\ICalculatorCallback.cs
.....................\..............................\IDuplexCalculator.cs
.....................\..............................\obj
.....................\..............................\...\Artech.DuplexRemoting.Contract.csproj.FileList.txt
.....................\..............................\...\Debug
.....................\..............................\...\.....\Artech.DuplexRemoting.Contract.dll
.....................\..............................\...\.....\Artech.DuplexRemoting.Contract.pdb
.....................\..............................\...\.....\TempPE
.....................\..............................\Properties
.....................\..............................\..........\AssemblyInfo.cs
.....................\Artech.DuplexRemoting.Hosting
.....................\.............................\App.config
.....................\.............................\Artech.DuplexRemoting.Hosting.csproj
.....................\.............................\bin
.....................\.............................\...\Artech.DuplexRemoting.Contract.dll
.....................\.............................\...\Artech.DuplexRemoting.Contract.pdb
.....................\.............................\...\Artech.DuplexRemoting.Hosting.exe
.....................\.............................\...\Artech.DuplexRemoting.Hosting.exe.config
.....................\.............................\...\Artech.DuplexRemoting.Hosting.pdb
.....................\.............................\...\Artech.DuplexRemoting.Hosting.vshost.exe
.....................\.............................\...\Artech.DuplexRemoting.Hosting.vshost.exe.config
.....................\.............................\...\Artech.DuplexRemoting.Remoting.dll
.....................\.............................\...\Artech.Duplex