Caching using object and memory cache

using System;
using System.Data;
using System.Linq;
using System.Web;
using System.Runtime;
using System.Runtime.Caching;
using Microsoft.Practices.EnterpriseLibrary.Caching;
using Microsoft.Practices.EnterpriseLibrary.Common;
using System.Diagnostics;
public class hi : IDisposable
{
    ObjectCache cache = MemoryCache.Default;
    public void set(string key, object value, CacheItemPolicy Policy)
    {
        cache.Set(key, value, Policy);

    }

    void IDisposable.Dispose()
    {

    }
}

public class IMyCache : IDisposable
{
    public void Dispose()
    {

    }
}

protected void Button1_Click(object sender, EventArgs e)
    {
        //using (hi h = new hi())
        //{
        //    h.set("Key", "VALUE", null);
        //}