Occurs when data is send or received.


      public event EventHandler<TEventArgs> Progress


      Show how to handle the Progress event.

      using System;
      using ComponentPro.Net.Mail;
      private long _messageSize;
      public void ShowProgress()
          // Create a new Pop3 instance. 
          Pop3 client = new Pop3();
          // Connect to the POP3 server. 
          // Authenticate. 
          client.Authenticate("test", "test");
              // Register an event handler. 
              client.Progress += client_Progress;
              Pop3MessageCollection list = client.ListMessages(Pop3EnvelopeParts.Size | Pop3EnvelopeParts.MessageInboxIndex);
              // Download the first message. 
              _messageSize = list[0].Size;
              // Download the first one. 
              client.DownloadMessage(list[0].MessageInboxIndex, "c:\\temp\\my message.eml");
          catch (Pop3Exception exc)
              Console.WriteLine("Exception: " + exc.Message);
          // Disconnect. 
      void client_Progress(object sender, Pop3ProgressEventArgs e)
          // Show progress information. 
          if (e.State == Pop3TransferState.Downloading)
              Console.Write("\rDownloaded: {0} bytes ({1}% completed)", e.BytesTransferred, e.CalculatePercentage(_messageSize));


      .NET Compact Framework.NET Compact Framework

      Supported version: 2.0, 3.5, and 3.9
      Assembly: ComponentPro.Mail.CF (in ComponentPro.Mail.CF.dll)

      .NET Framework.NET Framework

      Supported version: 2.0, 3.0, 3.5, 4.0, 4.5.x, 4.6.x and later
      Assembly: ComponentPro.Mail (in ComponentPro.Mail.dll)

      Xamarin AndroidXamarin Android

      Supported version: 2.3 and later
      Assembly: ComponentPro.Mail.Android (in ComponentPro.Mail.Android.dll)

      Xamarin MacXamarin Mac

      Supported version: 2.0.x and later
      Assembly: ComponentPro.Mail.Mac (in ComponentPro.Mail.Mac.dll)

      Xamarin iOSXamarin iOS

      Supported version: 5.1.x and later
      Assembly: ComponentPro.Mail.iOS (in ComponentPro.Mail.iOS.dll)

      See Also