class1.cs

C#开发教程 由浅入深 配有实例 是初学者的好帮手

using System;

namespace ReRegFinal
{
    public class Thing
    {
        private string name;
        public Thing(string name) { this.name = name; }
        override public string ToString() { return name; }
        ~Thing() { Console.WriteLine("~Thing()"); }
        public void Dispose()
        {
            Console.WriteLine("Dispose()");
            GC.SuppressFinalize(this);
        }
    }

    public class ReRegFinalApp
    {
        [STAThread]
        public static void Main(string[] args)
        {
            DoSomething();
        }
        public static void DoSomething()
        {
            Thing t = new Thing("Foo");
            Console.WriteLine(t);
            t.Dispose();

            // some condition arises
            GC.ReRegisterForFinalize(t);

            t = null;
            GC.Collect();
            GC.WaitForPendingFinalizers();
        }
    }
}