[楼主] C# windows控制台程序捕获Ctrl+C按键事件

///////////////////////////////////////
//由linux.j66.net整理,源代码来源于网络
////////////////////////////////////////

using System;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;

namespace Testing
{
    /// <summary>
    /// Class to catch console control events (ie CTRL-C) in C#. 
    /// Calls SetConsoleCtrlHandler() in Win32 API
    /// </summary>
    public class ConsoleCtrl : IDisposable
    {
        /// <summary>
        /// The event that occurred. 
        /// </summary>
        public enum ConsoleEvent
        {
            CtrlC = 0, CtrlBreak = 1, CtrlClose = 2, CtrlLogoff = 5, CtrlShutdown = 6
        }

        /// <summary>
        /// Handler to be called when a console event occurs.
        /// </summary>
        public delegate void ControlEventHandler(ConsoleEvent consoleEvent);
        
        /// <summary>
        /// Event fired when a console event occurs
        /// </summary>
        public event ControlEventHandler ControlEvent; ControlEventHandler eventHandler;

        public ConsoleCtrl()
        {
            // save this to a private var so the GC doesn't collect it...
            eventHandler = new ControlEventHandler(Handler);
            SetConsoleCtrlHandler(eventHandler, true);
        }

        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }
        void Dispose(bool disposing)
        {
            if (eventHandler != null)
            {
                SetConsoleCtrlHandler(eventHandler, false);
                eventHandler = null;
            }
        }

        private void Handler(ConsoleEvent consoleEvent)
        {
            if (ControlEvent != null)
                ControlEvent(consoleEvent);
        }

        [DllImport("kernel32.dll")]
        static extern bool SetConsoleCtrlHandler(ControlEventHandler e, bool add);
    }

    class Test
    {
        public static void inputHandler(ConsoleCtrl.ConsoleEvent consoleEvent)
        {
            if (consoleEvent == ConsoleCtrl.ConsoleEvent.CtrlC)
            {
                Console.WriteLine("Stopping due to user input");

                System.Threading.Thread.Sleep(1000);
                System.Environment.Exit(-1);
            }
        }

        [STAThread]
        static void Main(string[] args)
        {
            ConsoleCtrl cc = new ConsoleCtrl();
            cc.ControlEvent += new ConsoleCtrl.ControlEventHandler(inputHandler);
            for (; ; )
            {
                Console.WriteLine("Press any key...");
                Console.ReadLine();
            }
        }
    }
}

作者：mononet   发布时间：09年11月13日   可选操作：删除 回复