当我使用 Quartz.net 在特定时间触发我的例程时，幻灯片放映不起作用

Question

这里我给出了一个小的代码片段，只是为了展示我正在努力实现的目标。

private void frmMain_Load(object sender, EventArgs e)
{
    // construct a scheduler factory
    ISchedulerFactory schedFact = new StdSchedulerFactory();

    // get a scheduler
    sched = schedFact.GetScheduler();
    sched.Start();

    IJobDetail job = JobBuilder.Create<frmMain>()
        .WithIdentity("Job", "group")
        .Build();

    ITrigger trigger = TriggerBuilder.Create()
       .WithDailyTimeIntervalSchedule
         (s =>
            s.WithIntervalInHours(24)
           .OnEveryDay()
           .StartingDailyAt(TimeOfDay.HourAndMinuteOfDay(01, 55))
         )
       .Build();

    sched.ScheduleJob(job, trigger);
}

public void Execute(IJobExecutionContext context)
{
    generate();
}

public void generate()
{
    if (this.FetchStart != null)
        this.FetchStart(this, new EventArgs());

    System.Threading.Thread.Sleep(5000);

    if (this.FetchDone != null)
        this.FetchDone(this, new EventArgs());
}

我已经用 VS2013 社区版完成了我的项目。我的 objective 是每天在特定时间调用幻灯片放映例程。当我在没有 quartz.net 调度程序的情况下调用我的幻灯片例程时，它工作正常，但是当我通过 quartz.net 调度程序调用我的例程时，例程被调用但没有显示幻灯片图像。

我不清楚发生了什么[问题。根据我的 objective，我必须使用 quartz.net 调度程序，因为我需要在每天的特定时间调用我的例程。

在这里我分享我的项目代码，因为它在 onedrive 中。所以我的请求请有人下载我的项目和运行在你的最后看到问题并告诉我导致不在图片框上显示图像的原因。

如果可能，请使用 quartz.net 调度程序代码纠正我的代码。一个驱动器项目 link 是 https://1drv.ms/f/s!AmIfMNV-CodPa81zFiNH6Ur7qro

我上传我的项目文件夹。

谢谢

更新

当我使用后台工作程序和 quartz.net 来调用我的生成例程时，我也没有发现任何改进。同样的问题，幻灯片图片没有出现在图片框上。

这里是 quartz.net 和后台工作人员

的代码

public partial class frmMain : Form, IJob
    {
        ucSlide oSlide = new ucSlide();
        IScheduler sched = null;
        BackgroundWorker m_oWorker = null;

        public event EventHandler FetchStart;
        public event EventHandler FetchDone;
        public event EventHandler NoDataFound;

        public frmMain()
        {
            InitializeComponent();

            m_oWorker = new BackgroundWorker();
            m_oWorker.DoWork += new DoWorkEventHandler(m_oWorker_DoWork);
            m_oWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(m_oWorker_RunWorkerCompleted);

            oSlide.MainForm = this;
            oSlide.SlideSource = Utility.SlidePath;

            this.Controls.Add(oSlide);
            oSlide.Dock = DockStyle.Fill;
        }

        private void frmMain_Load(object sender, EventArgs e)
        {
            // construct a scheduler factory
            ISchedulerFactory schedFact = new StdSchedulerFactory();

            // get a scheduler
            sched = schedFact.GetScheduler();
            sched.Start();

            IJobDetail job = JobBuilder.Create<frmMain>()
                .WithIdentity("Job", "group")
                .Build();

            ITrigger trigger = TriggerBuilder.Create()
               .WithDailyTimeIntervalSchedule
                 (s =>
                    s.WithIntervalInHours(24)
                   .OnEveryDay()
                   .StartingDailyAt(TimeOfDay.HourAndMinuteOfDay(02,23))
                 )
               .Build();

            sched.ScheduleJob(job, trigger);
        }

        public void Execute(IJobExecutionContext context)
        {
            m_oWorker.RunWorkerAsync();

        }

        public void generate()
        {
            if (this.FetchStart != null)
                this.FetchStart(this, new EventArgs());

            System.Threading.Thread.Sleep(5000);

            if (this.FetchDone != null)
                this.FetchDone(this, new EventArgs());
        }

        void m_oWorker_DoWork(object sender, DoWorkEventArgs e)
        {
            generate();
        }

        void m_oWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            // The background process is complete. We need to inspect
            // our response to see if an error occurred, a cancel was
            // requested or if we completed successfully.  
            //if (e.Cancelled)
            //{
            //    //lblStatus.Text = "Task Cancelled.";
            //    isBusy = false;
            //}

            //// Check to see if an error occurred in the background process.

            //else if (e.Error != null)
            //{
            //    //lblStatus.Text = "Error while performing background operation.";
            //    MessageBox.Show(e.Error.InnerException.Message.ToString());
            //    isBusy = false;
            //}
            //else
            //{
            //    // Everything completed normally.
            //    //lblStatus.Text = "Task Completed...";
            //    isBusy = false;
            //}
        }
    }

谢谢

Answer 1

花了很多时间后，我找到了让我的代码正常工作的方法。

我必须通过这种方式安排我的表格参考。

    ISchedulerFactory schedFact = new StdSchedulerFactory();

    // get a scheduler
    sched = schedFact.GetScheduler();
    sched.Start();

    IJobDetail job = JobBuilder.Create<frmMain>()
        .WithIdentity("Job", "group")
        .Build();

    job.JobDataMap.Put("Form", this);

    ITrigger trigger = TriggerBuilder.Create()
       .WithDailyTimeIntervalSchedule
         (s =>
            s.WithIntervalInHours(24)
           .OnEveryDay()
           .StartingDailyAt(TimeOfDay.HourAndMinuteOfDay(20, 27))
         )
       .Build();

    sched.ScheduleJob(job, trigger);

主要技巧就在这里

job.JobDataMap.Put("Form", this);

和

public void Execute(IJobExecutionContext context)
{
    var dataMap = context.MergedJobDataMap;
    var frmInstance = (frmMain) dataMap["Form"];
    frmInstance.generate();
}

感谢@hillstuk，他的 link 是

我的完整代码幻灯片 quartz.net

using System;
using System.IO;
using System.Windows.Forms;
using Quartz;
using Quartz.Impl;
using System.Timers;

namespace SchedulerWithTimer
{
    public partial class frmMain : Form, IJob
    {
        private int imageNumber = 1, SlideCount = 0;
        string _SlideSource = "";
        System.Timers.Timer aTimer = new System.Timers.Timer();

        IScheduler sched = null;

        public frmMain()
        {
            InitializeComponent();
            _SlideSource = Utility.SlidePath;
            SlideCount = Directory.GetFiles(_SlideSource, "*", SearchOption.AllDirectories).Length;

            aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
            aTimer.Interval = 5000;

            aTimer.Enabled = false;
        }

        private void frmMain_Load(object sender, EventArgs e)
        {
            // construct a scheduler factory
            ISchedulerFactory schedFact = new StdSchedulerFactory();

            // get a scheduler
            sched = schedFact.GetScheduler();
            sched.Start();

            IJobDetail job = JobBuilder.Create<frmMain>()
                .WithIdentity("Job", "group")
                .Build();

            job.JobDataMap.Put("Form", this);

            ITrigger trigger = TriggerBuilder.Create()
               .WithDailyTimeIntervalSchedule
                 (s =>
                    s.WithIntervalInHours(24)
                   .OnEveryDay()
                   .StartingDailyAt(TimeOfDay.HourAndMinuteOfDay(20, 27))
                 )
               .Build();

            sched.ScheduleJob(job, trigger);
        }

        public void Execute(IJobExecutionContext context)
        {
            var dataMap = context.MergedJobDataMap;
            var frmInstance = (frmMain) dataMap["Form"];
            frmInstance.generate();
        }


        public void generate()
        {
            FetchStart();
            System.Threading.Thread.Sleep(5000);
            FetchDone();
        }

        public void FetchStart()
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new Action(delegate()
                {
                    aTimer.Enabled = false;
                    picSlide.SizeMode = PictureBoxSizeMode.CenterImage;
                    picSlide.Image = SchedulerWithTimer.Properties.Resources.loading;
                }));
            }
            else
            {
                aTimer.Enabled = false;
                picSlide.SizeMode = PictureBoxSizeMode.CenterImage;
                picSlide.Image = SchedulerWithTimer.Properties.Resources.loading;
            }

        }

        public void FetchDone()
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new Action(delegate()
                {
                    aTimer.Enabled = true;
                }));
            }
            else
                aTimer.Enabled = true;
        }


        private void OnTimedEvent(object source, ElapsedEventArgs e)
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new Action(delegate()
                {
                    loadNextImage();
                }));
            }
            else
                loadNextImage();
        }

        private void loadNextImage()
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new Action(delegate()
                {
                    if (imageNumber == SlideCount)
                    {
                        imageNumber = 1;
                    }
                    picSlide.SizeMode = PictureBoxSizeMode.Zoom;
                    picSlide.ImageLocation = string.Format(_SlideSource + @"\Slide{0}.jpg", imageNumber);

                }));
            }
            else
            {
                if (imageNumber == SlideCount)
                {
                    imageNumber = 1;
                }
                picSlide.SizeMode = PictureBoxSizeMode.Zoom;
                picSlide.ImageLocation = string.Format(_SlideSource + @"\Slide{0}.jpg", imageNumber);
                imageNumber++;
            }
        }
    }
}

可能有一天我的 post 可能会帮助其他人。谢谢大家:)

当我使用 Quartz.net 在特定时间触发我的例程时，幻灯片放映不起作用

Slide show is not working when i use Quartz.net to fire my routine at specific time

c#

winforms

quartz.net

更新

这里是 quartz.net 和后台工作人员

主要技巧就在这里