Thread.Interrupt() : Thread « System.Threading « C# / C Sharp by API





Thread.Interrupt()

  

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Threading;

public class Form1 : System.Windows.Forms.Form {
    private System.Windows.Forms.ProgressBar progressBar1;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.Button button2;
    private Thread fThread = null;
    private System.ComponentModel.Container components = null;

    public Form1() {
        this.progressBar1 = new System.Windows.Forms.ProgressBar();
        this.button1 = new System.Windows.Forms.Button();
        this.button2 = new System.Windows.Forms.Button();
        this.SuspendLayout();
        this.progressBar1.Location = new System.Drawing.Point(24, 32);
        this.progressBar1.Name = "progressBar1";
        this.progressBar1.Size = new System.Drawing.Size(264, 23);
        this.progressBar1.TabIndex = 0;
        this.button1.Location = new System.Drawing.Point(24, 80);
        this.button1.Size = new System.Drawing.Size(136, 40);
        this.button1.Text = "Start Thread";
        this.button1.Click += new
             System.EventHandler(this.button1_Click);
        this.button2.Location = new System.Drawing.Point(168, 80);
        this.button2.Size = new System.Drawing.Size(120, 40);
        this.button2.Text = "Stop Thread";
        this.button2.Click += new
             System.EventHandler(this.button2_Click);
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(704, 429);
        this.Controls.AddRange(new System.Windows.Forms.Control[] {
          this.button2,
          this.button1,
          this.progressBar1});

        this.ResumeLayout(false);
    }

    protected override void Dispose(bool disposing) {
        if (fThread != null) {
            fThread.Interrupt();
            fThread = null;
        }

    }

    [STAThread]
    static void Main() {
        Application.Run(new Form1());
    }

    private void UpdateProgress() {
        if (progressBar1.Value == progressBar1.Maximum) {
            progressBar1.Value = progressBar1.Minimum;
        }
        progressBar1.PerformStep();
    }


    public void ThreadProc() {

        try {
            MethodInvoker mi = new MethodInvoker(this.UpdateProgress);
            while (true) {
                this.BeginInvoke(mi);
                Thread.Sleep(500);
            }
        } catch (ThreadInterruptedException e) {
            Console.WriteLine(
              "Interruption Exception in Thread: {0}",
                  e);
        } catch (Exception we) {
            Console.WriteLine("Exception in Thread: {0}", we);
        }
    }

    private void button1_Click(object sender, System.EventArgs e) {
        fThread = new Thread(new ThreadStart(ThreadProc));
        fThread.IsBackground = true;
        fThread.Start();
    }

    private void button2_Click(object sender, System.EventArgs e) {
        fThread.Interrupt();
        fThread = null;
    }
}

   
    
  










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