| Constant | Value | Description |
| APS_SOLID | 0 | Solid |
| APS_CLEAR | 1 | Clear (no color / transparent) |
| APS_BDIAGONAL | 2 | Backward diagonal |
| APS_FDIAGONAL | 3 | Forward diagonal |
| APS_CROSS | 4 | Cross |
| APS_DIAGCROSS | 5 | Diagonal cross |
| APS_HORIZONTAL | 6 | Horizontal |
| APS_VERTICAL | 7 | Vertical |