This sample is to display multiple lines.
Please refer to the part of backgroundElements in the Layout below for the details. AxisLine axis: sets axis endValue: sets the end value for the diagonal line horizontal: whether or not the horizontal line or not (false: vertical line) label: sets label labelAlign: sets the horizontal alignment for label with line labelRotation: sets the roatation of label labelUpDown: whether or not to display label at the line linePosition: sets the location of line.(center,left,right) startValue: sets the start value for the diagonal line stroke: sets the line style value: sets the value of the line which is not the diagonal line