Pen(Color32, Single) Constructor

public Pen(
	Color32 color,
	float width = 1f
)

Public Sub New ( 
	color As Color32,
	Optional width As Single = 1F
)

public:
Pen(
	Color32 color, 
	float width = 1f
)

new : 
        color : Color32 * 
        ?width : float32 
(* Defaults:
        let _width = defaultArg width 1f
*)
-> Pen

Parameters

color  Color32

The color of the Pen.

width  Single  (Optional)

The width of the Pen. Must be greater than 0. This parameter is optional.
Default value: 1.

A width of 1/64 or less is not visible. If FastThinLines is and AntiAliasing is , then a width less than 1/4 is not visible.

If the color depth of a Color32 instance is not enough to represent the specified color, then create a solid brush with the desired color depth and use the Pen(Brush, Single) constructor instead.

Reference