C#

<br />
    /// <summary><br />
    /// Start background message loop thread and show dialog<br />
    /// </summary><br />
    public void AsyncShow()<br />
    {<br />
      if( m_guiThread == null )<br />
      {<br />
        ThreadStart start = new ThreadStart( BackgroundGUIThread );<br />
        m_guiThread = new Thread( start );<br />
        m_guiThread.Start();<br />
      }<br />
    }<br />
<br />
    /// <summary><br />
    /// Hide dialog and stop background thread<br />
    /// </summary><br />
    public void Finish()<br />
    {<br />
      try<br />
      {<br />
        // hide form<br />
        this.Hide();<br />
        <br />
        // abort background message loop thread and wait till real thread abort<br />
        m_guiThread.Abort(); <br />
        m_guiThread.Join();<br />
      }<br />
      catch( Exception exc )<br />
      { <br />
        Trace.WriteLine( exc.Message + "\r\n" + exc.StackTrace, "PrgDlg Exception" );<br />
      }<br />
    }<br />
<br />
    /// <summary><br />
    /// Background GUI thread<br />
    /// </summary><br />
    private void BackgroundGUIThread()<br />
    {<br />
      Thread.CurrentThread.Name = "Background GUI MsgLoop Thread";<br />
<br />
      try<br />
      {<br />
        this.Show();<br />
<br />
        // Create an object for storing windows message information<br />
        MSG msg = new MSG();<br />
<br />
        while( WindowsAPI.GetMessage( ref msg, 0, 0, 0 ) )<br />
        {<br />
          WindowsAPI.TranslateMessage( ref msg );<br />
          WindowsAPI.DispatchMessage( ref msg );<br />
        }<br />
      }<br />
      finally<br />
      {<br />
        try<br />
        {<br />
          this.Close();<br />
        }<br />
        catch<br />
        {<br />
        }<br />
<br />
        Trace.WriteLine( "Quit thread" );<br />
      }<br />
    }<br />