DistListItem.BeforeAttachmentWriteToTempFile Event (Outlook)
Occurs before an attachment associated with an instance of the parent object is written to a temporary file.
expression A variable that represents a DistListItem object.
|Attachment||Required||Attachment||The Attachment to be written.|
|Cancel||Required||Boolean||Set to True to cancel the operation; otherwise, set to False to allow the Attachment to be written.|