2.2.2.23 PidTagAttachmentFlags Property

Type: PtypInteger32 ([MS-OXCDATA] section 2.11.1)

The PidTagAttachmentFlags property ([MS-OXPROPS] section 2.598) indicates special handling for this Attachment object. This property MUST be set to 0x00000000 unless overridden by other protocols that extend the Message and Attachment Object Protocol as noted in section 1.4