/// 
/// 执行操作事件/// 
public event Action OperateAction;
/// 
/// 终止操作事件/// 
public event Action AbortAction;
/// 
/// 中止按钮点击事件/// 
private void btn_Abort_Click(object sender, EventArgs e){    AbortAction?.Invoke();    DialogResult = DialogResult.Abort;    //Close (); // 不需要手动关闭；}
/// 
/// 窗体载入事件/// 
private void FormProgressDialog_Load(object sender, EventArgs e){    Task.Factory.StartNew(() =>    {        OperateAction?.Invoke();        DialogResult = DialogResult.OK;    });}

/// 
/// 设置显示信息 (值为 null 时保持不变)/// 
///  富文本格式的标题内容 ///  总体消息 ///  当前消息 public void SetInfo(string rtfTitleContent = null, string totalMessage = null, string currentMessage = null){    if (rtfTitleContent != null) rtb_Title.Rtf = rtfTitleContent;    if (totalMessage != null) lbl_Total.Text = totalMessage;    if (currentMessage != null) lbl_Current.Text = currentMessage;}
/// 
/// 设置进度/// 
///  当前数值 ///  总数值 public void SetProsess(double currentValue, double totalValue){    try    {        progressBar.Value = (int)(currentValue / totalValue * 100);    }    catch (Exception ex)    {        Console.WriteLine(ex);    }}

#region 测试任务进度条弹窗
private CancellationTokenSource _Cts; // 任务取消令牌；private AutoResetEvent _AutoResetEvent = new AutoResetEvent(false);// 参数传 false，则 WaitOne 时阻塞等待；
/// 
/// 测试任务进度弹窗/// 
private void BtnProgressDialog_Click(object sender, EventArgs e){    _AutoResetEvent.Reset();    string businessName = "业务 1";
    FormProgressDialog progressWindow = new FormProgressDialog()    {        Text = "任务处理窗口",    };
    progressWindow.SetColorfulTitle("业务 1", Color.DarkOrange, true);    progressWindow.SetColorfulTitle("正在执行中......", Color.Black);    progressWindow.SetInfo(null, "", "");
    List<string> orders = new List<string>(){"订单 1", "订单 2", "订单 3", "订单 4", "订单 5" }; // 业务数据；    List<string> leftList = orders.Select(x => x).ToList(); // 剩余（未处理）数据；    int successCount = 0; // 成功数量；
    _Cts = new CancellationTokenSource();
    // 注册一个将在取消此 CancellationToken 时调用的委托；    _Cts.Token.Register(async () =>    {        ShowInfo("操作终止");                await Task.Run(() =>        {            _AutoResetEvent.WaitOne(1000 * 5); // 等待有可能还在执行的业务方法；
            if (successCount < orders.Count)            {                ShowInfo($"{businessName} 有 {orders.Count - successCount} 项任务被终止，可在消息框中查看具体项。");
                foreach (var leftName in leftList)                {                    ShowInfo($"【{businessName}】的【{leftName}】执行失败，失败原因：【手动终止】。");                }            }        });            });
    progressWindow.OperateAction += () =>    {        Task task = new Task(() =>        {            foreach (var order in orders)            {                // 判断是否被取消；                if (_Cts.Token.IsCancellationRequested)                {                    break;                }
                progressWindow.TryBeginInvoke(new Action(() =>                {                    progressWindow.SetInfo(null, $" 共 {orders.Count} 项，已执行 {successCount} 项 ", $" 当前正在执行：{order}");                }));
                if (BusinessMethod(order, businessName))                {                    successCount++;                    leftList.RemoveAll(x => x == order);
                    if (_Cts.Token.IsCancellationRequested)                    {                        _AutoResetEvent.Set(); // 放行 Register 委托处的等待；                    }                }
                progressWindow.TryBeginInvoke(new Action(() =>                {                    progressWindow.SetProsess(orders.IndexOf(order) + 1, orders.Count);                }));            }        }, _Cts.Token);
        task.Start();        task.Wait();    };
    progressWindow.AbortAction += () =>    {        _Cts.Cancel();    };
    var result = progressWindow.ShowDialog();    int leftCount = orders.Count - successCount;    if (result == DialogResult.OK || leftCount <= 0)    {        ShowInfo($"{businessName} 整体完成。");    }    else if (result == DialogResult.Abort)    {        // 移到 _Cts.Token.Register 处一起判断，不然数目可能不准；        //ShowInfo ($"{businessName} 有 {leftCount} 项任务被终止，可在消息框中查看具体项。");    }}
/// 
/// 业务处理方法/// 
private bool BusinessMethod(string order, string businessName){    string errStr = $"【{businessName}】的 {order} 任务失败，失败原因：";
    // 测试    Thread.Sleep(1000 * 2);
    try    {        // 业务方法；
        ShowInfo($"【{businessName}】的 {order} 任务执行成功。");        return true;    }    catch (Exception ex)    {        ShowInfo($"{errStr}{ex.Message}");    }
    return false;}
#endregion