docs: private void initializeControl( )
  	{
          /* 
           * To optionally restore the designer state of the previous design session, use
           *      getInitializationDesignerState(); 
           */
  
          // Restores the last saved data set design
          DataSetDesign dataSetDesign = getInitializationDesign();
          if( dataSetDesign == null )
              return; // nothing to initialize
  
          String queryText = dataSetDesign.getQueryText();
          if( queryText == null )
              return; // nothing to initialize
  
          // initialize control
          m_queryTextField.setText( queryText );
          validateData();
          setMessage( DEFAULT_MESSAGE );
  
          /*
           * To optionally honor the request for an editable or
           * read-only design session, use
           *      isSessionEditable();
           */
  	}