| Name | Value | Description |
| CenterlineSketchLineCenterlineState | 1 | Specifies that the centerline state should be set to centerline. |
| NormalSketchLineCenterlineState | 2 | Specifies that the centerline state should be set to normal. |
| ToggleSketchLineCenterlineState | 0 | Specifies that the centerline state should be toggled from its current state. |