using System;

 using System.Collections.Generic;

 using System.ComponentModel;

 using System.Data;

 using System.Drawing;

 using System.Linq;

 using System.Text;

 using System.Windows.Forms;

 namespace BackgroundWorkerDemo

 {

     public partial class ProgressForm : Form

     {

         #region PROPERTIES

         public string Message

         {

             set { labelMessage.Text = value; }

         }

         public int ProgressValue

         {

             set { progressBar1.Value = value; }

         }

         #endregion

         #region METHODS

         public ProgressForm()

         {

             InitializeComponent();

         }

         #endregion

         #region EVENTS

         public event EventHandler<EventArgs> Canceled;

         private void buttonCancel_Click(object sender, EventArgs e)

         {

             // Create a copy of the event to work with

             EventHandler<EventArgs> ea = Canceled;

             /* If there are no subscribers, eh will be null so we need to check

              * to avoid a NullReferenceException. */

             if (ea != null)

                 ea(this, e);

         }

         #endregion

     }

 }