User Guide

Button._alpha 135

Button._alpha

Availability

Flash Player 6.

Usage

my_btn._alpha:Number

Description

Property; the alpha transparency value of the button specified by my_btn. Valid values are 0 (fully

transparent) to 100 (fully opaque). The default value is 100. Objects in a button with

_alpha set

to 0 are active, even though they are invisible.

Example

The following code sets the _alpha property of a button named myBtn_btn to 50% when the

user clicks the button:

// add a Button instance on the Stage

// give it an instance name of myBtn_btn

// with frame 1 selected, place the following code using the Actions panel

myBtn_btn.onRelease = function(){

this._alpha = 50;

};