The following example shows how you can control the drop shadow on a Flex TextArea control using the dropShadowColor, shadowDirection, and shadowDistance styles.
Full code after the jump.
<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/09/23/creating-drop-shadows-on-the-flex-textarea-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:ApplicationControlBar dock="true">
<mx:Form>
<mx:FormItem label="dropShadowEnabled:">
<mx:CheckBox id="checkBox" selected="true" />
</mx:FormItem>
<mx:FormItem label="dropShadowColor:">
<mx:ColorPicker id="colorPicker" />
</mx:FormItem>
<mx:FormItem label="shadowDirection:">
<mx:ComboBox id="comboBox" selectedIndex="1">
<mx:dataProvider>
<mx:Array>
<mx:Object label="left" />
<mx:Object label="center" />
<mx:Object label="right" />
</mx:Array>
</mx:dataProvider>
</mx:ComboBox>
</mx:FormItem>
<mx:FormItem label="shadowDistance:">
<mx:HSlider id="slider"
minimum="-10"
maximum="10"
value="0"
labels="[-10,-5,0,5,10]"
liveDragging="true"
snapInterval="1"
tickInterval="2" />
</mx:FormItem>
</mx:Form>
</mx:ApplicationControlBar>
<mx:TextArea id="textArea"
dropShadowEnabled="{checkBox.selected}"
dropShadowColor="{colorPicker.selectedColor}"
shadowDistance="{slider.value}"
shadowDirection="{comboBox.selectedItem.label}"
width="320"
height="120" />
</mx:Application>
View source is enabled in the following example.
