Specifies the kind of pen that should be used to draw the origin line. Set Pen to specify the pen to use for drawing tick marks in the chart. The value of Pen is a TRSPen object, which is TPen in VCL and TStrokeBrush in FMX. Set the properties of the TPen object to specify the color, style, width, and mode of the pen.
The origin line is only drawn if it is specified in the