1.Double-click a rectangle, ellipse or arrow. (The Object Properties dialog opens.)
2.Select Parameters.
3.Select a font size and style from the Font size and style list.
4.Select a parameter orientation from the Orientation list.
The available choices for Orientation are:
Horizontal, for example,
.
Oblique, for example,
.
Oblique, inverted, for example,
.
Tip
If the Object Properties dialog is already open, you only need to click once on an object to change the font used for its parameters.