Infinity line

1. From the "Line" button menu, select the "Infinity line" entry.
2. In the chart, click where you want the line to start and release the mouse button.
3. Then, drag the line to the corresponding direction.
4. Click to place the line.
   The line is created. You can now select and move it or drag at one of the end points to change the start point or modify the slope.
   

   

For more information about working with drawing elements, see Edit drawing elements and Delete drawing elements.