| 
 | virtual | 
Called by the chart to draw the floor and walls.
Called by the chart when it renders a 3D scene. The default implementation draws the floor and walls based on the wall drawing options set by SetDrawWallOptions().
This method does nothing when the "thick walls and floor" option is enabled.
| pGM | A pointer to a graphics manager. | 
| bFill | Specifies whether to fill the floor and wall interior. | 
| bOutline | Specifies whether to draw the floor and wall outline. |