public event TlsStartedEventHandler TlsStarted

Public Event TlsStarted As TlsStartedEventHandler

using System;
using MailBee;
using MailBee.ImapMail;
using MailBee.Security;

class Sample
{
    // TlsStarted event handler.
    private static void OnTlsStarted(object sender, TlsStartedEventArgs e)
    {
        // This will happen during Login method execution.
        Console.WriteLine("TLS/SSL session started.");
    }

    // The actual code.
    static void Main(string[] args)
    {
        Imap imp = new Imap();

        // Subscribe to TlsStarted event.
        imp.TlsStarted += new TlsStartedEventHandler(OnTlsStarted);

        // Notify MailBee it should start TLS/SSL session when appropriate.
        // The connection is made to the regular port so that STARTTLS command
        // will be used to start TLS/SSL session.
        imp.SslMode = SslStartupMode.UseStartTls;

        imp.Connect("imap.company.com");

        Console.WriteLine("Connected to the server. Will login now...");

        // TLS/SSL negotiation will take place here. Thus, user credentials
        // will be sent to the mail server already under secure TLS/SSL layer.
        imp.Login("jdoe", "secret");

        Console.WriteLine("Logged in successfully.");

        imp.Disconnect();
    }
}

Imports System
Imports MailBee
Imports MailBee.ImapMail
Imports MailBee.Security

Module Sample
    ' TlsStarted event handler.
    Private Sub OnTlsStarted(ByVal sender As Object, ByVal e As TlsStartedEventArgs)
        ' This will happen during Login method execution.
        Console.WriteLine("TLS/SSL session started.")
    End Sub

    ' The actual code.
    Sub Main(ByVal args As String())
        Dim imp As New Imap

        ' Subscribe to TlsStarted event.
        AddHandler imp.TlsStarted, AddressOf OnTlsStarted

        ' Notify MailBee it should start TLS/SSL session when appropriate.
        ' The connection is made to the regular port so that STARTTLS command
        ' will be used to start TLS/SSL session.
        imp.SslMode = SslStartupMode.UseStartTls

        imp.Connect("imap.company.com")

        Console.WriteLine("Connected to the server. Will login now...")

        ' TLS/SSL negotiation will take place here. Thus, user credentials
        ' will be sent to the mail server already under secure TLS/SSL layer.
        imp.Login("jdoe", "secret")

        Console.WriteLine("Logged in successfully.")

        imp.Disconnect()
    End Sub
End Module