Extracts all the files from TNEF container and returns them as AttachmentCollection.
An AttachmentCollection object representing the collection of attachments extracted from TNEF, or a null reference (Nothing in Visual Basic) if the attachment is not a valid TNEF container.
Prior to calling this method, check IsTnef property value to determine whether the attachment is TNEF or not.
The example is available in IsTnef topic.
Attachment Class | MailBee.Mime Namespace | IsTnef