Listing 22-4 extracted from chapter .NET Remoting

Listing 22-3<     > Listing 22-5

This listing can be compiled with the command line:
csc.exe /out:Interface.dll /target:library Example_22_4_to_rename_Interface.cs
Errors: 0 Warnings: 0

namespace RemotingInterfaces {
   public interface IAdder {
      double Add(double d1, double d2);
   }
}