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BackgroundWorker Threads and Supporting Cancel

, 25 Sep 2007 CPOL
Using a BackgroundWorker Thread to improve responsiveness in your UI, support cancel and display progress.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace DemoCancel
{
	public partial class fmProgress : Form
	{
		private bool m_Cancel = false;

		public bool Cancel
		{
			get { return m_Cancel; }
		}

		public fmProgress()
		{
			InitializeComponent();
		}

		private void fmProgress_FormClosing( object sender, FormClosingEventArgs e )
		{
			// If the user clicks the X or hit's Alt+F4 consider this a cancel
			// but don't let the form close, otherwise we can't check the Cancel
			// property because the form will be null.
			m_Cancel = true;
			e.Cancel = true;
		}
	}
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Andrew D. Weiss
Software Developer (Senior) BrightStar Partners
United States United States
No Biography provided

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