Get Position of Character at Selected Line Help?

public static function getSelectedLineBoundsPosition(editor:RichEditableText):Point

{

     var textFlow:TextFlow = editor.textFlow;

     if (!textFlow)

          return new Point();

     var flowComposer:IFlowComposer = textFlow.flowComposer;

     var line:TextFlowLine = flowComposer.findLineAtPosition(editor.selectionActivePosition);

     var start:Number = line.absoluteStart;

     var end:Number = start + line.textLength;

     return new Point(start, end);

}