using System;
using System.Reflection;
using Microsoft.VisualBasic.CompilerServices;
class Program {
   static void Main() {
      object obj = AppDomain.CurrentDomain.CreateInstanceAndUnwrap(
                                  "Foo.dll", "NMFoo.Calc");
      object[] parameters = new object[2];
      parameters[0] = 7;
      parameters[1] = 8;
      int result = (int) LateBinding.LateGet(obj, null, "Sum", 
                                             parameters,  null, null);
   }
}