Button._alpha Property | Flash 6 |
opacity percentage: 0 is transparent; 100 is opaque | read/write |
The floating-point _alpha property specifies the opacity (or, conversely, the transparency) of theButton as a percentage—0 is completely transparent, whereas 100 is completely opaque. All states (Up, Over, and Down) of theButton are affected.
The following code makes go_btn 50% transparent.
go_btn._alpha = 50;
Button._visible, MovieClip._alpha