      */
     override public function get baselinePosition():Number
     {
-        return getBaselinePositionForPart(labelDisplay);
+        return getBaselinePositionForPart(labelDisplay as IVisualElement);
     }     
     
     //--------------------------------------------------------------------------

     *   A reference to the visual element that displays this FormItem's label.
     */
    [SkinPart(required="false")]
    public var labelDisplay:TextBase;
            
    /**
     *  A reference to the visual element that displays the FormItem's sequenceLabel.
     */
    [SkinPart(required="false")]
    public var sequenceLabelDisplay:TextBase;
    
    /**
     *  A reference to the Group that contains the FormItem's helpContentGroup.

     *  A reference to the visual element that display the FormItem's error strings.
     */
    [SkinPart(required="false")]
    public var errorTextDisplay:IDisplayText;
    
    //--------------------------------------------------------------------------
    //
