using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;using System.Runtime.InteropServices; namespace AutoCreateTaskApp{    class Program    {        [DllImport("user32.dll")]        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);        public  const int SW_SHOWMINIMIZED = 2;        public const int SW_HIDE=0;        static IntPtr winHandle = System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle;            static void Main(string[] args)        {            //使控制台在后台执行。            ShowWindow(winHandle, SW_HIDE);            // Normally, the timer is declared at the class level,            // so that it stays in scope as long as it is needed.            // If the timer is declared in a long-running method,              // KeepAlive must be used to prevent the JIT compiler             // from allowing aggressive garbage collection to occur             // before the method ends. You can experiment with this            // by commenting out the class-level declaration and             // uncommenting the declaration below; then uncomment            // the GC.KeepAlive(aTimer) at the end of the method.            //timer = new System.Timers.Timer();             System.Timers.Timer timer = new System.Timers.Timer(1000);            timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);            //每五分钟执行一次。            //timer.Interval = 300000;              timer.Interval = 2000;            timer.Enabled = true;            // If the timer is declared in a long-running method, use            // KeepAlive to prevent garbage collection from occurring            // before the method ends.            GC.KeepAlive(timer);            //指定无限长等待时间的常数            Thread.Sleep(System.Threading.Timeout.Infinite);        }        static void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)        {            Console.WriteLine(DateTime.Now.ToString());            Helper.AutoCreateTask();         }       }}--------------------- 作者：arvinstudy 来源：CSDN 原文：https://blog.csdn.net/ArvinStudy/article/details/7374888 版权声明：本文为博主原创文章，转载请附上博文链接！