      *  @default true
      *    
      *  @see spark.components.supportClasses.GridColumn
-     * 
-     *  @langversion 3.0
-     *  @playerversion Flash 10
-     *  @playerversion AIR 2.5
-     *  @productversion Flex 4.5
-     */
-    public var resizableColumns:Boolean = true;
-                    
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4.5
+     */
+    public function get resizableColumns():Boolean
+    {
+        return _resizableColumns;
+    }
+    
+    /**
+     *  @private
+     */        
+    public function set resizableColumns(value:Boolean):void
+    {
+        if (value == resizableColumns)
+            return;
+        
+        _resizableColumns = value;        
+        dispatchChangeEvent("resizableColumnsChanged");            
+    }
+    
     //----------------------------------
     //  rowBackground
     //----------------------------------

    /**
     *  @private
     */
    private function getVisibleItemRenderer(rowIndex:int, columnIndex:int):IVisualElement
    {
        const layout:GridLayout = layout as GridLayout;
        if (!layout)

    //  resizableColumns
    //----------------------------------
    
    private var _resizableColumns:Boolean = true;
    
    [Bindable("resizableColumnsChanged")]
    
    /**
     *  A flag that indicates whether the user can change the size of the
     *  columns.
