Listing 8-11 extracted from chapter Interoperability between .NET and native code/COM/ COM+

Listing 8-10<     > Listing 8-12

This listing can be compiled with the command line:
csc.exe /out:DotNETClient.exe /target:exe Example_8_11_to_rename_DotNETClient.cs /r:AsmCOMComponant.dll
Errors: 1 Warnings: 0

using TestInterop;
class Program {
   static void Main() {
      ICOMClass foo = new CCOMClassClass();
      int result = foo.CalcSum(2, 3);
      System.Console.WriteLine("Result :{0}", result);
   }
}