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Read-only. This field contains an XML file of nodes that describe lock conditions for an item. You can access this field by using HTTP 1.1 extensions and WebDAV. This field is read-only.
[Visual Basic] String
OLE DB Type
This field contains an XML hierarchy that describes lock conditions for an item. you cannot manipulate the XML by using OLE DB or Microsoft ActiveX Data Objects (ADO). Although its data type in the Exchange store is a multivalued string (PT_MV_UNICODE), this field is stored as an XML file with no other accompanying strings.