[CSharpTips]C# 控制台程序屏蔽关闭按钮，关闭快速编辑模式，注册关闭事件

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleCloseTest
{
    internal class Program
    {

        //激活关闭窗口事件
        public delegate bool ControlCtrlDelegate(int CtrlType);
        [DllImport("kernel32.dll")]
        private static extern bool SetConsoleCtrlHandler(ControlCtrlDelegate HandlerAppClose, bool Add);
        private static ControlCtrlDelegate cancelHandler = new ControlCtrlDelegate(HandlerAppClose);
        //取消控制台关闭按钮
        private const int MF_BYCOMMAND = 0x00000000;
        public const int SC_CLOSE = 0xF060;
        [DllImport("user32.dll")]
        public static extern int DeleteMenu(IntPtr hMenu, int nPosition, int wFlags);
        [DllImport("user32.dll")]
        public static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert);
        [DllImport("kernel32.dll", ExactSpelling = true)]
        public static extern IntPtr GetConsoleWindow();
        //关闭控制台快速编辑模式
        const int STD_INPUT_HANDLE = -10;
        const uint ENABLE_QUICK_EDIT_MODE = 0x0040;
        [DllImport("kernel32.dll", SetLastError = true)]
        internal static extern IntPtr GetStdHandle(int hConsoleHandle);
        [DllImport("kernel32.dll", SetLastError = true)]
        internal static extern bool GetConsoleMode(IntPtr hConsoleHandle, out uint mode);
        [DllImport("kernel32.dll", SetLastError = true)]
        internal static extern bool SetConsoleMode(IntPtr hConsoleHandle, uint mode);

        static void Main(string[] args)
        {

            //注册窗口关闭事件
            bool bRet = SetConsoleCtrlHandler(cancelHandler, true);
            //禁用关闭按钮
            IntPtr consoleWindow = GetConsoleWindow();
            IntPtr sysMenu = GetSystemMenu(consoleWindow, false);
            if (consoleWindow != IntPtr.Zero) DeleteMenu(sysMenu, SC_CLOSE, MF_BYCOMMAND);
            //关闭控制台快速编辑模式
            DisableQuickEditMode();
            Console.WriteLine("Func Main Called");
            Console.WriteLine("Enter 'exit' to exit the program ...");
            while (true)
            {
                Thread.Sleep(1);
                string s = Console.ReadLine();//一次输入一行
                if (s.ToUpper() == "EXIT") break;
            }
        }


        /// <summary>
        /// 打开快速编辑模式
        /// </summary>
        public static void EnableQuickEditMode()
        {
            IntPtr hStdin = GetStdHandle(STD_INPUT_HANDLE);
            uint mode;
            GetConsoleMode(hStdin, out mode);
            mode |= ENABLE_QUICK_EDIT_MODE;
            SetConsoleMode(hStdin, mode);
        }
        /// <summary>
        /// 关闭快速编辑模式
        /// </summary>
        public static void DisableQuickEditMode()
        {
            IntPtr hStdin = GetStdHandle(STD_INPUT_HANDLE);
            uint mode;
            GetConsoleMode(hStdin, out mode);
            mode &= ~ENABLE_QUICK_EDIT_MODE;
            SetConsoleMode(hStdin, mode);
        }

        /// <summary>
        /// 关闭窗口时的事件
        /// </summary>
        /// <param name="CtrlType"></param>
        /// <returns></returns>
        static bool HandlerAppClose(int CtrlType)
        {
            Console.WriteLine("关闭窗口事件被激活");
            Console.WriteLine("do something...");
            Thread.Sleep(5000);
            Environment.Exit(0);
            return false;
        }
    }
}