The Field Settings dialog allows end-users to rename a PivotTable row or column field and adjust its subtotal and layout settings.
End-users can invoke this dialog by doing the following:
Select a row or column field;
Right-click it and select the Field Settings... item from the context menu...
... or click the Field Settings button on the ribbon. Add the Active Field ribbon group to enable this button (check the Lesson 1 - Create a Simple Spreadsheet topic for details on how to provide a Ribbon UI for the SpreadsheetControl).
The Field Settings dialog includes the following tabs.