[ObsoleteAttribute("This method is obsolete in .NET 4.5+. Use ConnectAsync instead.")]
public IAsyncResult BeginConnect(
	string serverName,
	int port,
	bool pipelining,
	AsyncCallback callback,
	Object state
)

<ObsoleteAttribute("This method is obsolete in .NET 4.5+. Use ConnectAsync instead.")>
Public Function BeginConnect ( 
	serverName As String,
	port As Integer,
	pipelining As Boolean,
	callback As AsyncCallback,
	state As Object
) As IAsyncResult

// To use the code below, import MailBee namespaces at the top of your code
using MailBee;
using MailBee.Pop3Mail;

// Put the code below inside your class

// "Connected" event handler
private void OnConnected(object sender, ConnectedEventArgs e)
{
    MessageBox.Show("Connected to the server");
}

// The actual code
private void Form1_Load(object sender, System.EventArgs e)
{
    Pop3 pop = new Pop3();

    // Let MailBee process events
    pop.RaiseEventsViaMessageLoop = false;

    pop.Connected += new ConnectedEventHandler(OnConnected);

    // Initiate an asynchronous connection
    pop.BeginConnect("pop.somehost.com", 110, true, null, null);

    // Simulate some lengthy work here...
    for (int i = 0; i < 100; i++)
    {
        // Make a portion of the work
        System.Threading.Thread.Sleep(10);

        // Process events which were raised during execution of the work above
        pop.Wait(0);
    }

    // If the connection was not established during execution of the lengthy 
    // work, wait until it's established
    pop.Wait();

    // End the connection request
    pop.EndConnect();

    // Connected to the server!

    // Disconnect from the server
    pop.Disconnect();
}

' To use the code below, import MailBee namespaces at the top of your code
Imports MailBee
Imports MailBee.Pop3Mail

' Put the code below inside your class.

' "Connected" event handler
Private Sub OnConnected(ByVal sender As System.Object, ByVal e As ConnectedEventArgs)
    MsgBox("Connected to the server")
End Sub

' The actual code
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As ConnectedEventArgs)
    Dim pop As New Pop3

    ' Let MailBee process events
    pop.RaiseEventsViaMessageLoop = False

    AddHandler pop.Connected, AddressOf OnConnected

    ' Initiate an asynchronous connection
    pop.BeginConnect("pop.somehost.com", 110, True, Nothing, Nothing)

    ' Simulate some lengthy work here...
    Dim i As Integer
    For i = 1 To 100
        ' Make a portion of the work
        System.Threading.Thread.Sleep(10)

        ' Process events which were raised during execution of the work above
        pop.Wait(0)
    Next

    ' If the connection was not established during execution of the lengthy 
    ' work, wait until it's established
    pop.Wait()

    ' End the connection request
    pop.EndConnect()

    ' Connected to the server!

    ' Disconnect from the server
    pop.Disconnect()
End Sub

using System;
using MailBee;
using MailBee.Pop3Mail;
using MailBee.Mime;

class Sample
{
    // "Connected" event handler
    private static void OnConnected(object sender, ConnectedEventArgs e)
    {
        Console.WriteLine("Connected to the server");
    }

    // The actual code
    static void Main(string[] args)
    {
        Pop3 pop = new Pop3();

        pop.Connected += new ConnectedEventHandler(OnConnected);

        // Initiate an asynchronous connection
        pop.BeginConnect("pop.somehost.com", 110, true, null, null);

        // Simulate some lengthy work here...
        System.Threading.Thread.Sleep(1000);

        // If the connection was not established during execution of the lengthy work,
        // wait until it's established, and end the connection request
        pop.EndConnect();

        // Connected to the server!

        // Disconnect from the server
        pop.Disconnect();
    }
}

Imports System
Imports MailBee
Imports MailBee.Pop3Mail
Imports MailBee.Mime

Public Class Sample
    ' "Connected" event handler
    Public Shared Sub OnConnected(ByVal sender As System.Object, ByVal e As ConnectedEventArgs)
        Console.WriteLine("Connected to the server")
    End Sub

    ' The actual code
    Shared Sub Main(ByVal args As String())
        Dim pop As New Pop3
        AddHandler pop.Connected, AddressOf OnConnected

        ' Initiate an asynchronous connection
        pop.BeginConnect("pop.somehost.com", 110, True, Nothing, Nothing)

        ' Simulate some lengthy work here...
        System.Threading.Thread.Sleep(1000)

        ' If the connection was not established during execution of the lengthy work,
        ' wait until it's established, and end the connection request
        pop.EndConnect()

        ' Connected to the server!

        ' Disconnect from the server
        pop.Disconnect()
    End Sub
End Class