C#

Member 2458467 wrote:

backgroundWorker1 is difficult to use and the computer freezes

bool _isStopped = true;
public Form1()
   {
       InitializeComponent();
       backgroundWorker1.WorkerReportsProgress = true;
       backgroundWorker1.WorkerSupportsCancellation = true;

       lblStatusPlaySound.ForeColor = Color.Violet;
       lblStatusPlaySound.Text = "Status: PLAY/STOP";
   }
private void btnPlaySound_Click(object sender, EventArgs e)
  {
      // Start the asynchronous operation.
      backgroundWorker1.RunWorkerAsync();

      using (SoundPlayer player = new SoundPlayer(Properties.Resources.ring))
      {
          player.Play();
      }

      while (_isStopped == true)
      {      
         if (backgroundWorker1.IsBusy != true)
         { _isStopped = true; }
         else //
         { _isStopped = false; }

         lblStatusPlaySound.ForeColor = Color.Green;
         lblStatusPlaySound.Text = "Status: PLAY";
         lblStatusPlaySound.Refresh(); //                
         Debug.Print("Status: PLAY");
     }

     lblStatusPlaySound.ForeColor = Color.Red;
     lblStatusPlaySound.Text = "Status: STOP";
     lblStatusPlaySound.Refresh();             
     Debug.Print("Status: STOP");

  }

public Form1()
{
   InitializeComponent();
   backgroundWorker1.DoWork += backgroundWorker1_DoWork;
   backgroundWorker1.RunWorkerCompleted += backgroundWorker1_RunWorkerCompleted;

   lblStatusPlaySound.ForeColor = Color.Violet;
   lblStatusPlaySound.Text = "Status: PLAY/STOP";
}

private void btnPlaySound_Click(object sender, EventArgs e)
{
    btnPlaySound.Enabled = false;
    lblStatusPlaySound.ForeColor = Color.Green;
    lblStatusPlaySound.Text = "Status: PLAY";
    backgroundWorker1.RunWorkerAsync();
}

private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
    Debug.Print("Status: PLAY");
    
    using (SoundPlayer player = new SoundPlayer(Properties.Resources.ring))
    {
        player.PlaySync();
    }
}

private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
    lblStatusPlaySound.ForeColor = Color.Red;
    lblStatusPlaySound.Text = "Status: STOP";
    lblStatusPlaySound.Refresh();             
    btnPlaySound.Enabled = true;
    Debug.Print("Status: STOP");
}

private void btnPlaySound_Click(object sender, EventArgs e)
  {
      lblStatusPlaySound.ForeColor = Color.Green;
      lblStatusPlaySound.Text = "Status: PLAY";            
      Application.DoEvents();         
      Debug.Print("Status: PLAY");

      using (SoundPlayer player = new SoundPlayer(Properties.Resources.ring))
      {
          player.PlaySync();
      }

      lblStatusPlaySound.ForeColor = Color.Red;
      lblStatusPlaySound.Text = "Status: STOP";            
      Application.DoEvents();         
      Debug.Print("Status: STOP");
  }

Member 2458467 wrote:

Hi Richard MacCutchan!

Member 2458467 wrote:

because the PlaySync() method is a sequential command

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Member 7989122 wrote:

Is this functionality integrated into some freely available application?

arnold_w wrote:

Please note that I want the version/hash/time stamp to be compiled into the C# so it can be shown in a little "About"-box.