File list (Check if you may need any files):
WCF_Contrac
...........\bin
...........\...\Debug
...........\...\.....\WCF_test.dll
...........\...\.....\WCF_test.pdb
...........\ClassContrac.cs
...........\obj
...........\...\Debug
...........\...\.....\ResolveAssemblyReference.cache
...........\...\.....\TempPE
...........\...\.....\WCF_test.dll
...........\...\.....\WCF_test.pdb
...........\...\WCF_Contrac.csproj.FileList.txt
...........\...\WCF_Contrac.csproj.FileListAbsolute.txt
...........\...\WCF_test.csproj.FileList.txt
...........\Properties
...........\..........\AssemblyInfo.cs
...........\WCF_Contrac.csproj
...........\WCF_test.sln
WCF_Host
........\App.config
........\bin
........\...\Debug
........\...\.....\WCF_Host.exe
........\...\.....\WCF_Host.exe.config
........\...\.....\WCF_Host.pdb
........\...\.....\WCF_Host.vshost.exe
........\...\.....\WCF_Host.vshost.exe.config
........\...\.....\WCF_Serv.dll
........\...\.....\WCF_Serv.pdb
........\...\.....\WCF_test.dll
........\...\.....\WCF_test.pdb
........\obj
........\...\Debug
........\...\.....\Refactor
........\...\.....\ResolveAssemblyReference.cache
........\...\.....\TempPE
........\...\.....\WCF_Host.exe
........\...\.....\WCF_Host.pdb
........\...\WCF_Host.csproj.FileList.txt
........\...\WCF_Host.csproj.FileListAbsolute.txt
........\ProgramHost.cs
........\Properties
........\..........\AssemblyInfo.cs
........\WCF_Host.csproj
........\WCF_Host.sln
WCF_Host.sln
WCF_Serv
........\bin
........\...\Debug
........\...\.....\WCF_Serv.dll
........\...\.....\WCF_Serv.pdb
........\...\.....\WCF_test.dll
........\...\.....\WCF_test.pdb
........\ClassServ.cs
........\obj
........\...\Debug
........\...\.....\ResolveAssemblyReference.cache
........\...\.....\TempPE
........\...\.....\WCF_Serv.dll
........\...\.....\WCF_Serv.pdb
........\...\WCF_Serv.csproj.FileList.txt
........\...\WCF_Serv.csproj.FileListAbsolute.txt
........\Properties
........\..........\AssemblyInfo.cs
........\WCF_Serv.csproj
........\WCF_Serv.sln