<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/03/07/preventing-line-feeds-in-a-textarea-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
		layout="vertical"
		verticalAlign="middle"
		backgroundColor="white" viewSourceURL="srcview/index.html">
	
	<mx:Script>
		<![CDATA[
			private function textArea_textInput(evt:TextEvent):void {
				if (evt.text == "\n") {
					evt.preventDefault();
				}
			}
		]]>
	</mx:Script>

	<mx:TextArea id="textArea"
			verticalScrollPolicy="on"
			width="160"
			height="120"
			textInput="textArea_textInput(event);">
		<mx:text>The quick brown fox jumped over the lazy dog.</mx:text>
	</mx:TextArea>
	
</mx:Application>