| 
  virtual | 
Called to calculate data table size.
| pGM | A pointer to a graphics manager. | 
| dblDataTableHeaderColumnWidth | Width of the data table header column. | 
| dblDataTableHeight | Height of the data table. | 
| dblDataTableRowHeight | Height of the data table row. | 
| dblMaxSeriesKeyWidth | The maximum series key width. |