如標題 參考了下面作者的內容
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
ThreadDORUN("1");
}
private void button2_Click(object sender, EventArgs e)
{
ThreadDORUN("2");
}
private void button3_Click(object sender, EventArgs e)
{
ThreadDORUN("3");
}
private void button4_Click(object sender, EventArgs e)
{
ThreadDORUN("4");
}
private void button5_Click(object sender, EventArgs e)
{
ThreadDORUN("5");
}
// https://stackoverflow.com/questions/5983779/catch-exception-that-is-thrown-in-different-thread
// https://stackoverflow.com/questions/5209591/are-tasks-created-as-background-threads
// https://dotblogs.com.tw/kinanson/2017/05/03/075119
// https://vulcanlee.gitbooks.io/csharp2019/content/Part1/Task-DORUN-Factory-StartNew-ThreadPool-Thread-SetMinThreads.html
// https://www.huanlintalk.com/2013/01/aspnet-45-fire-and-forget-async-call.html
// https://www.huanlintalk.com/2013/06/csharp-notes-multithreading-6-tpl.html
// https://dotblogs.com.tw/jesperlai/2018/04/06/013332
private void ThreadDORUN(string v)
{
switch (v)
{
case "1":
case "2":
case "3":
case "4":
case "5":
BindingFlags flag = BindingFlags.Instance | BindingFlags.NonPublic;
MethodInfo method = this.GetType().GetMethod("DORUN" + v.PadLeft(2, '0'), flag);
//if (method != null)
//{
// Thread oThread = new Thread(threadMain);
// oThread.IsBackground = true;
// oThread.Start();
//}
Task t = new Task(delegate () { method.Invoke(this, null); });
t.ContinueWith(ExceptionHandler, TaskContinuationOptions.OnlyOnFaulted);
t.Start();
break;
}
}
private delegate void UpdateUI(string str, Control ctl); //宣告委派
private void updateText(string str, Control ctl)
{
if (this.InvokeRequired)
{
UpdateUI uu = new UpdateUI(updateText);
this.Invoke(uu, str, ctl);
}
else
{
if (ctl is TextBox)
{
TextBox txt = (TextBox)ctl;
txt.Text = str;
}
else if(ctl is Label)
{
Label lab = (Label)ctl;
lab.Text = str;
}
//ctl.text = str;
}
}
private void ExceptionHandler(Task task)
{
var exception = task.Exception;
string txt = "";
foreach (var item in task.Exception.InnerExceptions)
{
txt += item.InnerException.Message + ",";
}
updateText(txt, label6);
// MessageBox.Show( task.Exception.InnerExceptions.FirstOrDefault().Message);
// Console.WriteLine(exception);
}
private void DORUN01() {
updateText("我被執行了DORUN01", label1);
Thread.Sleep(2000);
updateText("", label1);
}
private void DORUN02()
{
updateText("我被執行了DORUN02", label2);
int a = 0;
int b = 100 / a;
//Thread.Sleep(2000);
// Thread.Sleep(2000);
updateText("", label2);
}
private void DORUN03()
{
updateText("我被執行了DORUN03", label3);
Thread.Sleep(2000);
updateText("", label3);
}
private void DORUN04()
{
updateText("我被執行了DORUN04", label4);
Thread.Sleep(2000);
updateText("", label4);
}
private void DORUN05()
{
updateText("我被執行了DORUN05", label5);
Thread.Sleep(2000);
updateText("", label5);
}
}
}
namespace WindowsFormsApp1
{
partial class Form1
{
/// <summary>
/// 設計工具所需的變數。
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// 清除任何使用中的資源。
/// </summary>
/// <param name="disposing">如果應該處置受控資源則為 true，否則為 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form 設計工具產生的程式碼
/// <summary>
/// 此為設計工具支援所需的方法 - 請勿使用程式碼編輯器修改
/// 這個方法的內容。
/// </summary>
private void InitializeComponent()
{
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.button5 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.label5 = new System.Windows.Forms.Label();
this.label6 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// button1
//
this.button1.Location = new System.Drawing.Point(47, 53);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 23);
this.button1.TabIndex = 0;
this.button1.Text = "button1";
this.button1.UseVisualStyleBackColor = true;
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(47, 107);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 23);
this.button2.TabIndex = 1;
this.button2.Text = "button2";
this.button2.UseVisualStyleBackColor = true;
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(47, 163);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 23);
this.button3.TabIndex = 2;
this.button3.Text = "button3";
this.button3.UseVisualStyleBackColor = true;
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.Location = new System.Drawing.Point(47, 228);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(75, 23);
this.button4.TabIndex = 3;
this.button4.Text = "button4";
this.button4.UseVisualStyleBackColor = true;
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// button5
//
this.button5.Location = new System.Drawing.Point(47, 299);
this.button5.Name = "button5";
this.button5.Size = new System.Drawing.Size(75, 23);
this.button5.TabIndex = 4;
this.button5.Text = "button5";
this.button5.UseVisualStyleBackColor = true;
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// label1
//
this.label1.AutoSize = true;
this.label1.Font = new System.Drawing.Font("新細明體", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(136)));
this.label1.Location = new System.Drawing.Point(156, 53);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(64, 24);
this.label1.TabIndex = 5;
this.label1.Text = "label1";
//
// label2
//
this.label2.AutoSize = true;
this.label2.Font = new System.Drawing.Font("新細明體", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(136)));
this.label2.Location = new System.Drawing.Point(156, 103);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(64, 24);
this.label2.TabIndex = 6;
this.label2.Text = "label2";
//
// label3
//
this.label3.AutoSize = true;
this.label3.Font = new System.Drawing.Font("新細明體", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(136)));
this.label3.Location = new System.Drawing.Point(156, 159);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(64, 24);
this.label3.TabIndex = 7;
this.label3.Text = "label3";
//
// label4
//
this.label4.AutoSize = true;
this.label4.Font = new System.Drawing.Font("新細明體", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(136)));
this.label4.Location = new System.Drawing.Point(156, 228);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(64, 24);
this.label4.TabIndex = 8;
this.label4.Text = "label4";
//
// label5
//
this.label5.AutoSize = true;
this.label5.Font = new System.Drawing.Font("新細明體", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(136)));
this.label5.Location = new System.Drawing.Point(156, 299);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(64, 24);
this.label5.TabIndex = 9;
this.label5.Text = "label5";
//
// label6
//
this.label6.AutoSize = true;
this.label6.Font = new System.Drawing.Font("新細明體", 18F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(136)));
this.label6.Location = new System.Drawing.Point(43, 352);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(64, 24);
this.label6.TabIndex = 10;
this.label6.Text = "label6";
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(499, 446);
this.Controls.Add(this.label6);
this.Controls.Add(this.label5);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.button5);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Button button5;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Label label6;
}
}
參考來源 感謝下方作者
https://stackoverflow.com/questions/5983779/catch-exception-that-is-thrown-in-different-thread
https://stackoverflow.com/questions/5209591/are-tasks-created-as-background-threads
https://dotblogs.com.tw/kinanson/2017/05/03/075119
https://vulcanlee.gitbooks.io/csharp2019/content/Part1/Task-DORUN-Factory-StartNew-ThreadPool-Thread-SetMinThreads.html
https://www.huanlintalk.com/2013/01/aspnet-45-fire-and-forget-async-call.html
https://www.huanlintalk.com/2013/06/csharp-notes-multithreading-6-tpl.html
https://dotblogs.com.tw/jesperlai/2018/04/06/013332
以上文章僅用紀錄資料使用.....