Declaration: ChartBook.Charts[].LineOffset(x1,y1, x2, y2: double; dx, dy: integer);
The method LineOffset draws a line from the point [x1,y1] to the point [x2,y2] with a offset specified by dx and dy. After the line has been drawn the drawing cursor is set to the position [x2,y2]. The coordinates x1, y1, x2 and y2 are real coordinates of the chart window, the offset is given in pixels.

The line width may be adjusted by the property LineWidth. The color of the voids og dashed lines is controlled by the property FillColor.