Specifies whether a button's icon is visible.Syntax:
set the showIcon of <button> to {true | false}
Examples:
set the showIcon of button 3 to false
Use the showIcon property to change a button's appearance.
If a button's showIcon property is set to true, the image specified in the button's icon property is displayed in the button's rectangle. If the showIcon is false, the icon is not displayed.
If the button's icon property is zero, the setting of this property has no effect.
A button with an icon may need to be resized to show the entire icon.
See also: armedIcon (property),icon (property),hilitedIcon (property),