A field index in a pivot table context. Either a non-negative index into the
pivot table's PivotField array (or the cache's field array when
cacheIndex is true), or one of the following sentinel values:
-2 — the "Values" virtual field, representing the data area when a
pivot table has multiple data fields.
A field index in a pivot table context. Either a non-negative index into the pivot table's PivotField array (or the cache's field array when
cacheIndexis true), or one of the following sentinel values:-2— the "Values" virtual field, representing the data area when a pivot table has multiple data fields.-1— no field (references nothing).