Query the number of pages between the
page ID specified in the ulPageId parameter and the next page that
has the BKA_MAJOR attribute. The page that has the BKA_MAJOR attribute is
not included in the page count.
BKA_MINOR
Query
the number of pages between the page ID specified in the ulPageId parameter
and the next page that has the BKA_MINOR attribute. The page that has the
BKA_MINOR attribute is not included in the page count.
BKA_END
Query the number of pages between the page ID specified
in the ulPageId parameter and the last page. When this attribute
is specified, the page count includes the last page plus the notebook's
back cover.