Retrieves hidden measure items from the selected row or column to the OLAPQuery section.
Expression.UnHide()
An expression that shows a hidden OLAPMeasure object
This example shows how to hide the fact Amount Sales.
ActiveDocument.Sections["Chart"].Facts["Amount Sales"].Hide()
This example shows how to hide the OLAP measure Sales Average:
ActiveDocument.Sections["OLAPQuery"].Measures["Sales Average"].UnHide()