ProcessedEventArgs Class

public class ProcessedEventArgs : AsyncEventArgs

Public Class ProcessedEventArgs
   Inherits AsyncEventArgs

public ref class ProcessedEventArgs : public AsyncEventArgs

Shows how to handle the Processed, Processing, and Progress events when processing messages.

using System;
using System.Windows.Forms;
using ComponentPro.Net.Mail;

...

static void Main()
{
    try 
    {
        // Create a new instance of the BounceInspector class. 
        BounceInspector inspector = new BounceInspector();

        // Register the event handler to the Processed event. 
        inspector.Processed += inspector_Processed;
        
        // and Processing event. 
        inspector.Processing += inspector_Processing;

        // Register the event handler to the Progress event. 
        inspector.Progress += inspector_Progress;

        // Process all EML files in directory 'c:\\temp'. 
        BounceResultCollection result = inspector.ProcessMessages("c:\\temp");                

        Console.WriteLine("{0} bounced message found", result.BounceCount);
    }
    catch (Exception exc)
    {
        MessageBox.Show(string.Format("An error occurred: {0}", exc.Message));
    }
}

/// <summary> 
/// Handles the BounceInspector's Processing event. 
/// </summary> 
/// <param name="sender">The BounceInspector object.</param> 
/// <param name="e">The event arguments.</param> 
static void inspector_Processing(object sender, ProcessingEventArgs e)
{
    Console.WriteLine("Processing message {0}", e.Filename);
    // Skip some files. 
    if (e.Filename.IndexOf("test.eml") != -1)
        e.Skip = true;
}

/// <summary> 
/// Handles the BounceInspector's Processed event. 
/// </summary> 
/// <param name="sender">The BounceInspector object.</param> 
/// <param name="e">The event arguments.</param> 
static void inspector_Processed(object sender, ProcessedEventArgs e)
{
    BounceResult r = e.Result;

    // If this message was identified as a bounced email message and the message object is not null. 
    if (r.Identified && r.MailMessage != null)
    {
        // Print out the result 
        Console.Write("FileName: {0}\nSubject: {1}\nAddress: {2}\nBounce Category: {3}\nBounce Type: {4}\nDeleted: {5}\nDSN Action: {6}\nDSN Diagnostic Code: {7}\n\n",
                        System.IO.Path.GetFileName(r.FilePath),
                        r.MailMessage.Subject,
                        r.Addresses[0],
                        r.BounceCategory.Name,
                        r.BounceType.Name,
                        r.FileDeleted,
                        r.Dsn.Action,
                        r.Dsn.DiagnosticCode);
    }
}

/// <summary> 
/// Handles the BounceInspector's Progress event. 
/// </summary> 
/// <param name="sender">The BounceInspector object.</param> 
/// <param name="e">The event arguments.</param> 
static void inspector_Progress(object sender, ProgressEventArgs e)
{
    Console.WriteLine("{0}/{1} message(s) processed", e.Current, e.Total);
}

Imports ComponentPro.Net.Mail

...

Shared Sub Main()
    Try 
        ' Create a new instance of the BounceInspector class. 
        Dim inspector As New BounceInspector()

        ' Register the event handler to the Processed event. 
        AddHandler inspector.Processed, AddressOf inspector_Processed

        ' and Processing event. 
        AddHandler inspector.Processing, AddressOf inspector_Processing

        ' Register the event handler to the Progress event. 
        AddHandler inspector.Progress, AddressOf inspector_Progress

        ' Process all EML files in directory 'c:\\temp'. 
        Dim result As BounceResultCollection = inspector.ProcessMessages("c:\temp")

        Console.WriteLine("{0} bounced message found", result.BounceCount)
    Catch exc As Exception
        MessageBox.Show(String.Format("An error occurred: {0}", exc.Message))
    End Try 
End Sub 
 
''' <summary> 
''' Handles the BounceInspector's Processing event. 
''' </summary> 
''' <param name="sender">The BounceInspector object.</param> 
''' <param name="e">The event arguments.</param> 
Private Shared Sub inspector_Processing(ByVal sender As Object, ByVal e As ProcessingEventArgs)
    Console.WriteLine("Processing message {0}", e.Filename)
    ' Skip some files. 
    If e.Filename.IndexOf("test.eml") <> -1 Then 
        e.Skip = True 
    End If 
End Sub 
 
''' <summary> 
''' Handles the BounceInspector's Processed event. 
''' </summary> 
''' <param name="sender">The BounceInspector object.</param> 
''' <param name="e">The event arguments.</param> 
Private Shared Sub inspector_Processed(ByVal sender As Object, ByVal e As ProcessedEventArgs)
    Dim r As BounceResult = e.Result

    ' If this message was identified as a bounced email message and the message object is not null. 
    If r.Identified AndAlso r.MailMessage IsNot Nothing Then 
        ' Print out the result 
        Console.Write("FileName: {0}" & vbLf & "Subject: {1}" & vbLf & "Address: {2}" & vbLf & "Bounce Category: {3}" & vbLf & "Bounce Type: {4}" & vbLf & "Deleted: {5}" & vbLf & "DSN Action: {6}" & vbLf & "DSN Diagnostic Code: {7}" & vbLf & vbLf, System.IO.Path.GetFileName(r.FilePath), r.MailMessage.Subject, r.Addresses(0), r.BounceCategory.Name, r.BounceType.Name, r.FileDeleted, r.Dsn.Action, r.Dsn.DiagnosticCode)
    End If 
End Sub 
 
''' <summary> 
''' Handles the BounceInspector's Progress event. 
''' </summary> 
''' <param name="sender">The BounceInspector object.</param> 
''' <param name="e">The event arguments.</param> 
Private Shared Sub inspector_Progress(ByVal sender As Object, ByVal e As ProgressEventArgs)
    Console.WriteLine("{0}/{1} message(s) processed", e.Current, e.Total)
End Sub

Reference