AttachContentId
AttachContentId
Contains a content identifier unique to the Message object that matches a corresponding Area: Message Attachment Properties Canonical name: PidTagAttachContentId Alternate names: PR_ATTACH_CONTENT_ID, PR_ATTACH_CONTENT_ID_A, PR_ATTACH_CONTENT_ID_W
Returns: System::SharedPtr < PidTagPropertyDescriptor > Aspose::Email::Mapi::
AttachContentId()