The Layout tab in the Option Group Builder specifies button layout (vertical or horizontal), spacing, and border style. This builder also has the Buttons tab and Value tab.
When you choose OK, the builder closes, applying the property settings from every tab.
Button Layout
Specifies vertical or horizontal layout of option group buttons by adjusting the Width property.
Spacing Between Buttons
Specifies spacing between buttons by adjusting the Width property or the Height property.
Border Style
Specifies a single-line border around the option group, or no border. This option corresponds to the BorderStyle property.