fork download 
  1. using System;
  2. using System.Windows.Forms;
  3. using System.Threading;
  4.  
  5. namespace InvokeTest
  6. {
  7.     public partial class Form1 : Form
  8.     {
  9.         public Form1()
  10.         {
  11.             InitializeComponent();
  12.         }
  13.  
  14.         Thread th;
  15.         private void button1_Click(object sender, EventArgs e)
  16.         {
  17.             if (th == null)
  18.             {
  19.                 th = new Thread(() =>
  20.                 {
  21.                     try
  22.                     {
  23.                         int st = 0;
  24.                         int.TryParse(textBox1.Text, out st);
  25.                         for (int i = st; ; i++)
  26.                         {
  27.                             this.Invoke((MethodInvoker)(() => { textBox1.Text = "" + i; }));
  28.                             //this.BeginInvoke((MethodInvoker)(() => { textBox1.Text = "" + i; }));
  29.                         }
  30.                     }
  31.                     catch (ThreadInterruptedException) { }
  32.                 });
  33.                 th.Start();
  34.                 button1.Text = "停止";
  35.             }
  36.             else
  37.             {
  38.                 th.Interrupt();
  39.                 th = null;
  40.                 button1.Text = "開始";
  41.             }
  42.         }
  43.     }
  44. }
  45.  
Not running #stdin #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/uuqw4
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!