File list (Check if you may need any files):
ch03
....\EX3-1
....\.....\AssemblyInfo.cs
....\.....\bin
....\.....\...\Debug
....\.....\Class1.cs
....\.....\EX3-1.csproj
....\.....\EX3-1.csproj.user
....\.....\EX3-1.sln
....\.....\obj
....\.....\...\Debug
....\EX3-2
....\.....\AssemblyInfo.cs
....\.....\bin
....\.....\...\Debug
....\.....\Class1.cs
....\.....\EX3-2.csproj
....\.....\EX3-2.csproj.user
....\.....\EX3-2.sln
....\.....\obj
....\.....\...\Debug
....\EX3-3
....\.....\AssemblyInfo.cs
....\.....\bin
....\.....\...\Debug
....\.....\Class1.cs
....\.....\EX3-3.csproj
....\.....\EX3-3.csproj.user
....\.....\EX3-3.sln
....\.....\obj
....\.....\...\Debug
....\EX3-4
....\.....\AssemblyInfo.cs
....\.....\bin
....\.....\...\Debug
....\.....\Class1.cs
....\.....\EX3-4.csproj
....\.....\EX3-4.csproj.user
....\.....\EX3-4.sln
....\.....\obj
....\.....\...\Debug
....\EX3-5
....\.....\AssemblyInfo.cs
....\.....\bin
....\.....\...\Debug
....\.....\Class1.cs
....\.....\EX3-5.csproj
....\.....\EX3-5.csproj.user
....\.....\EX3-5.sln
....\.....\obj
....\.....\...\Debug