PS ELEMENTS

[Andrei Lutic]

Hold down the Shift key and click the endpoints of the line. Aloso you can drag while holding down the Shift key. It’ll will constrain your movement to a vertical or a horizontal stright line.

[Ian Schmoel]

You can also use the Line tool. 9th icon down on right side of tool bar. Click and hold when clicking the icon to reveal all tools in that set.