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C# code
 
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
 
namespace MyLib
{
    [ComVisible(true)]
    [Guid("2CBD3D76-35F1-4f9d-9C1B-9DBFEE412F76")]
    public interface IMyClass
    {
        void Initialize();
        void Dispose();
        int Add(int x, int y);
    }
    [ComVisible(true)]
    [Guid("EA2F140A-108F-47ae-BBD5-83EEE646CC0D")]
    [ProgId("MyLib.MyClass")]
    public class MyClass : IMyClass
    {
        public void Initialize()
        {
            //nothing todo
        }
        public void Dispose()
        {
            //nothing todo
        }
        public int Add(int x, int y)
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