information about a cell within the column or row header area of a DataPilot table.
This struct contains information about a particular cell located within the
column or row header area of a DataPilot table. This is the type that is
contained in DataPilotTablePositionData::PositionData when
the value of DataPilotTablePositionData::PositionType is
either DataPilotTablePositionType::ROW_HEADER or
DataPilotTablePositionType::COLUMN_HEADER.