| Offset | Name | Size | Contents |
| 0 | grbit | 2 | flags |
| Offset | Bits | Mask | Name | Contents |
| 0 | 0 | 01h | fSmoothedLine | 1 = the line series has a smoothed line |
| 1 | 02h | f3DBubbles | 1 = draw bubbles with 3-D effects | |
| 2 | 04h | fArShadow | 1 = this series has a shadow | |
| 7-3 | F8h | (reserved) | Reserved; must be zero | |
| 1 | 7-0 | FFh | (reserved) | Reserved; must be zero |
| Offset | Name | Size | Contents |
| 0 | grbit | 2 | flags |
| Offset | Bits | Mask | Name | Contents |
| 0 | 0 | 01h | fSmoothedLine | TRUE if the line series has a smoothed line |
| 0 | 7-1 | FEh | (reserved) | Reserved; must be zero |
| 1 | 7-0 | FFh | (reserved) | Reserved; must be zero |