# gc:setPen

setPen is a function that is part of gc.

Sets the pen for drawing lines and borders.

This has been introduced in TI-Nspire OS 3.0 (Changes).

## Syntax

gc:setPen([thickness[, style]])

If the thickness is not specified, it defaults to ”thin.”, and if the style is not specified, it defaults to ”smooth.”

Parameter Type Description
thickness
string Optional. Can be "thin", "medium", or "thick". "extra-thick" works but is undocumented
style
string Optional. Can be "smooth", "dotted", "dashed"

## Example

gc:setPen("thick","dotted")