Creates a new calculated item and appends it to the collection.
A String value that specifies the formula for the item.
A PivotItem object that specifies the newly created calculated item.
Use the Add method to add a calculated item to a PivotTable field. The default name (Formula1, Formula2, etc.) will be automatically assigned to the calculated item. To rename the item, use the PivotItem.Caption property.
For more information on how to insert and modify calculated items, refer to the How to: Create a Calculated Item example.
A complete sample project is available at https://github.com/DevExpress-Examples/winforms-spreadsheet-pivot-table-api-t298650
Dim worksheet As Worksheet = workbook.Worksheets("Report10") workbook.Worksheets.ActiveWorksheet = worksheet ' Access the pivot table by its name in the collection. Dim pivotTable As PivotTable = worksheet.PivotTables("PivotTable1") ' Access the pivot field by its name in the collection. Dim field As PivotField = pivotTable.Fields("State") ' Add calculated items to the "State" field. field.CalculatedItems.Add("=Arizona+California+Colorado", "West Total") field.CalculatedItems.Add("=Illinois+Kansas+Wisconsin", "Midwest Total")