expression.ManualUpdate
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
This property is set to False immediately after your program terminates and after you execute the statement in the Immediate window of the Microsoft Visual Basic Editor.
Example
This example causes the PivotTable report to be recalculated only at the user's request.
Worksheets(1).PivotTables("Pivot1").ManualUpdate = True