Extend a line with the Shape Editor Tool
After you have finished drawing a line you can extend it at any time.
To extend a line with the Shape Editor Tool
1. Select the line (see Selecting objects).
2. Choose the Shape Editor Tool
3. Click on the point handle on the end of the line you wish to extend.
4. The Shape Editor Tool can now be used as normal to draw lines - the first segment of which will be connected to the existing line.
Tip
You can also select point handles using the Selector Tool if edit handles have been enabled - see Enabling edit handles.)