To change line properties, right-click on the Line with the active squares to display the Properties window.
To change a line variable item, click on the row to display the drop-down menu at the end of the row. Refer to the Figures below.
To change the Line color, click on the row to display the drop-down menu at the end of the row to display the Color window.
Select a color and click Ok to close the window.
To close the Properties window, click on Close.