自定义类实现IDisposable接口

using System;
using System.Collections.Generic;
using System.Text;

namespace finalize
{
    class Program
    {
        static void Main(string[] args)
        {
            MyResource myone = new MyResource();
            
            try 
            {
                                    //do something
            }
            finally
            {
                myone.Dispose();
                myone.Close();     //因为已经释放所以不执行动作
                myone.Close();
            }
            using (MyResource mytwo = new MyResource())
            {
                                   //do something
            }
            Console.Read();
        }
    }
    public class MyResource : IDisposable
    {
        private bool IsDisposed;  //判断类是否被释放
        public void Dispose()
        {
            Dispose(true);       //调用Dispose(true)释放该类所引用对象的Dispose方法和类本身使用的非托管资源;
        }
        public void Close()
        {
            Dispose(true);
        }
        public void Dispose(bool disposing)
        {
            if (!this.IsDisposed)
            {
                if (disposing)
                    Console.WriteLine("此处释放该类所引用对象的Dispose方法");
                Console.WriteLine("此处释放类本身使用的非托管资源");
                this.IsDisposed = true;
                if (disposing)  
                    GC.SuppressFinalize(this);  //阻止终结器的调用
            }
        }
        ~MyResource()
        {
            Dispose(false);                    //析构函数释放非托管资源调用Dispose(false);
        }
    }
}