Thread Background Worker

ThreadBgWorker.cs

namespace XI.Template
{
  using System.ComponentModel;
 
  class ThreadTest
  {
 
    #region Constructor and attributes
 
    private System.ComponentModel.BackgroundWorker _thread;
 
    /// <summary>Create our thread</summary>
    public ThreadTest()
    {
      this._thread = new System.ComponentModel.BackgroundWorker()
      {
        WorkerSupportsCancellation = true
      };
 
      this._thread.DoWork += new System.ComponentModel.DoWorkEventHandler(this.ThreadTest_DoWork);
      this._thread.RunWorkerCompleted += new System.ComponentModel.RunWorkerCompletedEventHandler(this.ThreadTest_RunWorkerCompleted);
    }
    #endregion
 
    #region Properties
 
    /// <summary>Return if thread is currently running or not</summary>
    public bool ThreadIsBusy { get { return this._thread.IsBusy; } }
 
    #endregion
 
    #region Public Methods
    /// <summary>Start the main operation to find frozen applications.</summary>
    /// <returns>True if started, False if already running</returns>
    public bool StartThread()
    {
      if (this.ThreadIsBusy)
        return false;
      else
      {
        this._thread.RunWorkerAsync(); // Make the magic happen
        return true;
      }
    }
 
    /// <summary>Stop the operation</summary>
    public void CancelThread()
    {
      this._thread.CancelAsync();
    }
 
    #endregion
 
 
    #region Event Handlers
 
    /// <summary>The main thread</summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void ThreadTest_DoWork(object sender, DoWorkEventArgs e)
    {
      // Our thread operation
 
      // Check to see if someone hit the cancel button
      // Place this check throughout code
      BackgroundWorker bgw = sender as BackgroundWorker;
      if (bgw != null && bgw.CancellationPending)
      {
        e.Cancel = true;
        return;
      }
    }
 
    /// <summary>Thread has completed, send a signal back</summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void ThreadTest_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
    {
      // Did someone hit cancel?
      if (e.Cancelled)
      {
        // Someone pressed, Cancel!
      }
    }
 
    #endregion Event Handlers
 
  }
}