alpha is short for alpha channel, and it is a number from 0 to 1 that controls how transparency : alpha « Effects « Flex

1. Flex
2. Effects
3. alpha

alpha is short for alpha channel, and it is a number from 0 to 1 that controls how transparency

         

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
    <mx:TextArea alpha="0.5"
        text="The alpha of this TextArea control is set to .5" />
</mx:Application>

   
    
    
    
    
    
    
    
    
  

Related examples in the same category

1.	Set alpha for control
2.	Change alpha when creation completed
3.	Fade Behaviours alpha value and duration
4.	change the width, color, and alpha of the axis line with the tag.
5.	Change alpha value for Canvas
6.	Change button alpha value when clicking the button