A-C > Button._alpha |  |

Button._alpha

button, button._alpha, _alpha, alpha

Availability

Flash Player 6.

Usage

    myButton._alpha

Description

Property; sets or retrieves the alpha transparency (`value`) of the button specified by `Button`. Valid values are 0 (fully transparent) to 100 (fully opaque). Objects in a button with `_alpha` set to 0 are active, even though they are invisible.

Example

The following sets the `_alpha` property of a button named `star` to 30%.

    on(release) {
    	star._alpha = 30;
    }