The ImapEnvelopeDownloadedEventArgs type exposes the following members.
Gets the length (in bytes) of the FETCH response containing the downloaded envelope data.
Gets or sets the envelope which had been downloaded.
Gets the message number (ordinal position in the folder) of the downloaded envelope.
Gets a reference to the object which was supplied by the developer in state parameter of asynchronous methods of the mailer components.(Inherited from CommonEventArgs.)