fontSize
The point size of the component’s text.
Property of
Many form components
Description
Set fontSize to the point size in which you want the text of the component to be displayed. There are approximately 72 points per inch. Common text is from 8 to 12 points. Default: 10.
For Grid objects, the fontSize property can be overridden by setting the fontSize property of a GridColumn's editorControl to a non-null value.