Format Line dialog box
In Design mode, double-click a line or arrow object.
In the Format Line dialog box you can perform these actions:
- Optionally specify a name for a line or arrow object
 - Specify the width of the line
 - Specify the head and end shape of arrows
 - Specify a shadow effect under the object
 - Specify the size and position of the object
 - Specify the conditions under which the object is visible