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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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using System;
using System.Collections.Generic;
using System.Collections;
using System.Text;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading;
namespace DownData
{
    class internet
    {
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¡¡¡¡3 TimeSpan ts=new TimeSpan(1,0,0,0);//cookieÓÐЧ×÷ÓÃʱ¼ä£¬¾ßÌå²émsdn
¡¡¡¡4 cookie.Expires = dt.Add(ts);//Ìí¼Ó×÷ÓÃʱ¼ä
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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
/// <summary>
/// DB µ ......

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