      *  @private 
      */
     public function set xTo(value:Number):void
-    {
-        var oldValue:Number = _xTo;
-        
-        if (value != oldValue)
+    {        
+        if (value != _xTo)
         {
             _xTo = value;
-            dispatchPropertyChangeEvent("xTo", oldValue, value);
             invalidateSize();
         }
     }


    private var _yFrom:Number = 0;
    
    [Bindable("propertyChange")]
    [Inspectable(category="General")]

    /**

     */
    public function set yFrom(value:Number):void
    {
        if (value != _yFrom)
        {
            _yFrom = value;
            invalidateSize();
        }
    }
