public Attachment this[
	int index
] { get; set; }

Public Default Property Item ( 
	index As Integer
) As Attachment
	Get
	Set

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

// The actual code (put it into a method of your class)

// Load the message from file.
MailMessage msg = new MailMessage();
msg.LoadMessage(@"C:\Docs\TestMail.eml");

// When there are any attachments...
if (msg.Attachments.Count > 0)
{
    // Get the attachment by its index.
    Attachment attach = msg.Attachments[0];

    // Save the attachment to folder.
    attach.SaveToFolder(@"C:\Temp", true);
}

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

' The actual code (put it into a method of your class)

' Load the message from file.
Dim msg As New MailMessage
msg.LoadMessage("C:\Docs\TestMail.eml")

' When there are any attachments...
If msg.Attachments.Count > 0 Then
    ' Get the attachment by its index.
    Dim attach As Attachment = msg.Attachments(0)

    ' Save the attachment to the folder.
    attach.SaveToFolder("C:\Temp", True)
End If