| nPenColor | Number | No | Optional parameter containing a color value. If no color is specified, the current pen color will be used instead. |
| nPenOpacity | Number | No | Optional parameter containing the opacity percentage (where 0% is completely transparent). If no opacity is specified, the current pen opacity will be used instead. |
| nPenStyle | Pen (Enumeration) | No | Optional parameter containing the desired line style. If no style is specified, the current pen style will be used instead. |
| nPenWidth | Number | No | Optional parameter containing the desired line width (thickness) in pixels (ranging from 1...100). If no width is specified, the current pen width will be used instead. |
| bPenAntiAliasing | State (Enumeration) | No | Optional parameter enabling or disabling line anti-aliasing. If not specified the current pen anti-aliasing setting will be used instead. |
| nPenCap | Dash (Enumeration) | No | Optional parameter containing the desired line dash cap. If no cap is specified, the current pen cap will be used instead. |
