Removed old file references from Chapter 01 project file
MODIFY
src/Chapter01/Chapter01.csproj
src/Chapter01/Chapter01.csproj
<ItemGroup>
<Compile Remove="HelloWorld\**" />
<Compile Remove="Listing01.01.HelloWorldInC#.cs" />
- <Compile Remove="Listing01.01A.HelloWorldInC#.cs" />
- <Compile Remove="Listing01.20.SampleCILOutput.cs" />
+ <Compile Remove="Listing01.22.SampleCILOutput.cs" />
</ItemGroup>
<ItemGroup>
<Compile Include="..\Shared\Program.cs">
</ItemGroup>
<ItemGroup>
<None Include="Listing01.01.HelloWorldInC#.cs" />
- <None Include="Listing01.20.SampleCILOutput.cs" />
+ <None Include="Listing01.22.SampleCILOutput.cs" />
</ItemGroup>
</Project>

MODIFY
src/Chapter01/Listing01.22.SampleCILOutput.cs
src/Chapter01/Listing01.22.SampleCILOutput.cs
namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter01.Listing01_22
{
-/*
#region INCLUDE
.assembly extern System.Runtime
{
@@ -71,5 +70,4 @@ namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter01.Listing01_22
} // End of method System.Void HelloWorld.Program::.ctor()
} // End of class HelloWorld.Program
#endregion INCLUDE
-*/
}

Removed old file references from Chapter 01 project file