2.1.3.3.15 attAttachRendData Attribute
The attAttachRendData attribute is an attachment-level attribute that contains a structure of information that can be used for rendering the attachment in the body.
Each set of attachment attributes MUST begin with the attAttachRendData attribute, followed by any other attributes; attachment properties encoded in the attAttachment attribute SHOULD be last.
The structure is formatted as follows:
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attAttachRendData = AttachType AttachPosition RenderWidth RenderHeight DataFlags AttachType = AttachTypeFile / AttachTypeOle AttachTypeFile=%x01.00 AttachTypeOle=%x02.00 AttachPosition= INT32 RenderWidth=INT16 RenderHeight=INT16 DataFlags = FileDataDefault / FileDataMacBinary FileDataDefault= %x00.00.00.00 FileDataMacBinary=%x01.00.00.00
The AttachPosition field maps to and from the PidTagRenderingPosition property ([MS-OXCMSG] section 2.2.2.16).
For details about how the TNEF Writer handles this attribute, see section 2.2.3.10. For details about how the TNEF Reader handles this attribute, see section 2.3.3.9.