File list (Check if you may need any files):
IVSS
....\IVSS.csproj
....\obj
....\...\Debug
....\...\GCXA.APP.AlexZh.Practice.IVSS.csproj.FileList.txt
....\...\IVSS.csproj.FileList.txt
....\Program.cs
....\Properties
....\..........\AssemblyInfo.cs
IVSS.sln
IVSSLibrary
...........\bin
...........\...\Debug
...........\...\.....\IVSSLibrary.dll
...........\...\.....\IVSSLibrary.pdb
...........\IVSSLibrary.cs
...........\IVSSLibrary.csproj
...........\IVSSLibrary.suo
...........\obj
...........\...\Debug
...........\...\.....\IVSSLibrary.csproj.FileListAbsolute.txt
...........\...\.....\IVSSLibrary.csproj.ResolveComReference.cache
...........\...\.....\IVSSLibrary.dll
...........\...\.....\IVSSLibrary.pdb
...........\...\.....\Refactor
...........\...\.....\........\IVSSLibrary.dll
...........\...\.....\ResolveAssemblyReference.cache
...........\...\.....\TempPE
...........\...\GCXA.APP.AlexZh.Practice.IVSSLibrary.csproj.FileList.txt
...........\...\IVSSLibrary.csproj.FileList.txt
...........\Properties
...........\..........\AssemblyInfo.cs
LookUpHistory
.............\App.config
.............\bin
.............\...\Debug
.............\...\.....\IVSSLibrary.dll
.............\...\.....\IVSSLibrary.pdb
.............\...\.....\LookUpHistory.exe
.............\...\.....\LookUpHistory.exe.config
.............\...\.....\LookUpHistory.pdb
.............\...\.....\LookUpHistory.vshost.exe
.............\...\.....\LookUpHistory.vshost.exe.config
.............\...\.....\LookUpHistory.vshost.exe.manifest
.............\...\.....\ouput.txt
.............\LookUpHistory.csproj
.............\obj
.............\...\Debug
.............\...\.....\LookUpHistory.csproj.FileListAbsolute.txt
.............\...\.....\LookUpHistory.exe
.............\...\.....\LookUpHistory.pdb
.............\...\.....\ResolveAssemblyReference.cache
.............\...\.....\TempPE
.............\...\LookUpHistory.csproj.FileList.txt
.............\Program.cs
.............\Properties
.............\..........\AssemblyInfo.cs
UpgradeLog.XML