TPDocObject - TPDocElement - TPDocLine
 (Range)       (Type)         (Type, Color, Style)
                             TPDocBox
                              (Color, Style, Margin, Fill)
                             TPDocText   - TPDocNumber
                              (Font, Align) (Number, Precision, Hide)
                                           TPDocCalculation
                                            (Expression, Precision, Hide)
                                           TPDocLabel
                                            (Text, Fix)
                                           TPDocDate
                                            ()
                                           TPDocMemo
                                            (Text)
                                           TPDocInput
                                            (Color, Style, Text, Position)
                                           TPDocChart
                                            (Cols, Rows, Cell, Name, Color)
              TPDocPiece
               (Title, DotsPerInch, Orientation, Element)