             textDisplayProperties.text = undefined;
             textDisplayProperties.content = undefined;
         }
-
-        invalidateProperties();            
     }
 
     //----------------------------------

        {
            textDisplayProperties.restrict = value;
        }

        invalidateProperties();            
    }

    //----------------------------------

        {
            textDisplayProperties.widthInChars = value;
        }
    }
    
    /**
