Added listing 18.30 via copy from manuscript
MODIFY
src/Chapter18/Chapter18.csproj
src/Chapter18/Chapter18.csproj
<None Remove="4.0\**" />
<Compile Remove="Listing18.10.AssemblyAttributesWithinAssemblyInfo.cs" />
<Compile Remove="Listing18.12.csprojMockFileForResequencingListings.cs" />
+ <Compile Remove="Listing18.30.OverridableMembersOnSystem.Dynamic.DynamicObject.cs" />
<Compile Include="..\Shared\Program.cs">
<Link>Program.cs</Link>
</Compile>
</Compile>
<None Include="Listing18.10.AssemblyAttributesWithinAssemblyInfo.cs" />
<None Include="Listing18.12.csproj" />
+ <None Include="Listing18.30.OverridableMembersOnSystem.Dynamic.DynamicObject.cs" />
</ItemGroup>
</Project>

Added listing 18.30 via copy from manuscript