VB.NET - Download email in background¶

Imports System.Globalization
Imports System.Text
Imports System.IO
Imports EAGetMail 'imports EAGetMail namespace

Module Module1

    Function _generateFileName(ByVal sequence As Integer) As String
        Dim currentDateTime As DateTime = DateTime.Now
        Return String.Format("{0}-{1:000}-{2:000}.eml",
                            currentDateTime.ToString("yyyyMMddHHmmss", New CultureInfo("en-US")),
                            currentDateTime.Millisecond,
                            sequence)
    End Function

    Sub Main()

        Try
            ' Create a folder named "inbox" under current directory
            ' to save the email retrieved.
            Dim localInbox As String = String.Format("{0}\inbox", Directory.GetCurrentDirectory())

            ' If the folder is not existed, create it.
            If Not Directory.Exists(localInbox) Then
                Directory.CreateDirectory(localInbox)
            End If

            Dim oServer As New MailServer("pop3.emailarchitect.net",
                        "test@emailarchitect.net",
                        "testpassword",
                        ServerProtocol.Pop3)

            ' Enable SSL/TLS connection, most modern email server require SSL/TLS connection by default.
            oServer.SSLConnection = True
            oServer.Port = 995

            ' If your server doesn't support SSL/TLS connection, please use the following codes
            ' oServer.SSLConnection = False
            ' oServer.Port = 110


            Dim oClient As New MailClient("TryIt")

            ' Leave a copy of message on server.
            Dim leaveCopy As Boolean = True

            ' Download emails to this local folder
            Dim downloadFolder As String = localInbox

            ' Send request to EAGetMail Service, then EAGetMail Service retrieves email
            ' in background and this method returns immediately.
            oClient.GetMailsByQueue(oServer, downloadFolder, leaveCopy)

        Catch ep As Exception
            Console.WriteLine(ep.Message)
        End Try

    End Sub
End Module