File list (Check if you may need any files):
Parking\Parking.sln
.......\Parking.suo
.......\Parking
.......\.......\bin
.......\.......\...\Debug
.......\.......\...\.....\Parking.dll
.......\.......\...\.....\Parking.pdb
.......\.......\...\.....\Parking.vshost.exe
.......\.......\...\.....\Parking.vshost.exe.manifest
.......\.......\...\Release
.......\.......\obj
.......\.......\...\x86
.......\.......\...\...\Debug
.......\.......\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.......\.......\...\...\.....\Parking.csproj.FileListAbsolute.txt
.......\.......\...\...\.....\Parking.dll
.......\.......\...\...\.....\Parking.pdb
.......\.......\...\...\.....\TempPE
.......\.......\Parking.csproj
.......\.......\ParkingArea.cs
.......\.......\ParkingSlot.cs
.......\.......\Properties
.......\.......\..........\AssemblyInfo.cs
.......\ParkingLibrary
.......\..............\bin
.......\..............\...\Debug
.......\..............\...\.....\ParkingLibrary.exe
.......\..............\...\.....\ParkingLibrary.pdb
.......\..............\obj
.......\..............\...\x86
.......\..............\...\...\Debug
.......\..............\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.......\..............\...\...\.....\ParkingLibrary.csproj.FileListAbsolute.txt
.......\..............\...\...\.....\ParkingLibrary.exe
.......\..............\...\...\.....\ParkingLibrary.pdb
.......\..............\...\...\.....\TempPE
.......\..............\ParkingLibrary.csproj
.......\..............\Program.cs
.......\..............\Properties
.......\..............\..........\AssemblyInfo.cs
.......\ParkingUI
.......\.........\bin
.......\.........\...\Debug
.......\.........\...\.....\Parking.dll
.......\.........\...\.....\Parking.pdb
.......\.........\...\.....\ParkingUI.exe
.......\.........\...\.....\ParkingUI.pdb
.......\.........\obj
.......\.........\...\x86
.......\.........\...\...\Debug
.......\.........\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.......\.........\...\...\.....\ParkingUI.csproj.FileListAbsolute.txt
.......\.........\...\...\.....\ParkingUI.exe
.......\.........\...\...\.....\ParkingUI.pdb
.......\.........\...\...\.....\ResolveAssemblyReference.cache
.......\.........\...\...\.....\TempPE
.......\.........\ParkingUI.csproj
.......\.........\Program.cs
.......\.........\Properties
.......\.........\..........\AssemblyInfo.cs