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Gets a PivotItem object that represents the PivotTable item containing the upper-left corner of the specified range.
IPivotItem PivotItem { get; }
ReadOnly Property PivotItem As IPivotItem
IPivotValueCell valueCell = pivotTable.PivotValueCell(0, 0);
IPivotCell pivotCell = valueCell.PivotCell;
IPivotItem item = pivotCell.PivotItem;