ConstReadonlyCURRENT: "CURRENT"Inserts the current page number
ReadonlyCURRENT_SECTION: "SECTION"Inserts the current section number
ReadonlyTOTAL_PAGES: "TOTAL_PAGES"Inserts the total number of pages in the document
ReadonlyTOTAL_PAGES_IN_SECTION: "TOTAL_PAGES_IN_SECTION"Inserts the total number of pages in the current section
Constants for page number field types.
These values are used to insert dynamic page number fields into a document.
Reference: http://officeopenxml.com/WPfields.php