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Set the Style Properties for Text Ranges

<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">     <mx:VBox >         <mx:Script>                              import mx.controls.textClasses.TextRange;                      private function alterTextSnapshot():void                 {                     var textRange:TextRange = new TextRange(area, true, area.selectionBeginIndex, area.selectionEndIndex);                     textRange.color = 0xff0000;                     textRange.letterSpacing = 3;                 }                         </mx:Script>         <mx:TextArea change="alterTextSnapshot()" id="area" text="this is a test" width="200" height="50"/>     </mx:VBox> </mx:Application>