MACROMEDIA FLASH MX 2004 - ACTIONSCRIPT Reference Manual page 295

Button._alpha
Availability
Flash Player 6.
Usage
my_btn._alpha
Description
Property; the alpha transparency value of the button specified by
transparent) to 100 (fully opaque). The default value is 100. Objects in a button with
to 0 are active, even though they are invisible.
Example
The following code sets the
button is clicked:
on(release) {
star_btn._alpha = 30;
}
See also
MovieClip._alpha
Button.enabled
Availability
Flash Player 6.
Usage
my_btn.enabled
Description
Property; a Boolean value that specifies whether a button is enabled. The default value is
Button._focusrect
Availability
Flash Player 6.
Usage
my_btn._focusrect
Description
Property; a Boolean value that specifies whether a button has a yellow rectangle around it when it
has keyboard focus. This property can override the global
property of a button named
_alpha
,
TextField._alpha
. Valid values are 0 (fully
my_btn
to 30% when the
star_btn
property.
_focusrect
Button._focusrect
set
_alpha
.
true
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