The VtPenStyle constants provide options for the pen used to draw chart lines.
| Constant | Description |
| VtPenStyleNull | No pen is applied |
| VtPenStyleSolid | Solid line pen |
| VtPenStyleDashed | Dashed line pen |
| VtPenStyleDotted | Dotted line pen |
| VtPenStyleDashDot | Dash-dot line pen |
| VtPenStyleDashDotDot | Dash-dot-dot line pen |
| VtPenStyleDitted | Ditted line pen |
| VtPenStyleDashDit | Dash-ditted line pen |
| VtPenStyleDashDitDit | Dash-dit-dit line pen |