C# 禁用控制台应用程序关闭按钮

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Runtime.InteropServices;
namespace ConsoleApplication1
{   
    class Program   
    {
        [DllImport("user32.dll", EntryPoint = "FindWindow")]
        extern static IntPtr FindWindow(string lpClassName, string lpWindowName);
        [DllImport("user32.dll", EntryPoint = "GetSystemMenu")]
        extern static IntPtr GetSystemMenu(IntPtr hWnd, IntPtr bRevert);
        [DllImport("user32.dll", EntryPoint = "RemoveMenu")]
        extern static IntPtr RemoveMenu(IntPtr hMenu, uint uPosition, uint uFlags);

        /// <summary>
        /// 禁用关闭按钮
        /// </summary>
        static void closebtn()
        {
            IntPtr windowHandle = FindWindow(null, "test");
            IntPtr closeMenu = GetSystemMenu(windowHandle, IntPtr.Zero);
            uint SC_CLOSE = 0xF060;
            RemoveMenu(closeMenu, SC_CLOSE, 0x0);
        }

        static void Main(string[] args)
        {
            Console.Title = "test";
            closebtn();
            Console.CancelKeyPress += new ConsoleCancelEventHandler(CloseConsole);
            Console.WriteLine("Starting...");

            Console.WriteLine("退出请按 Ctrl+C ");
            Console.Read();

　　  }

        /// <summary>  
        /// 关闭时的事件  
        /// </summary>  
        /// <param name="sender">对象</param>  
        /// <param name="e">参数</param>  
        protected static void CloseConsole(object sender, ConsoleCancelEventArgs e)
        {
            Environment.Exit(0);
            //return;
        }

    }
}