nt.addListener(SWT.Paint, new Listener()
					{
			            boolean resized = false; 
                        @Override
                        public void handleEvent( Event event )
                        {
                            if ( resized )
                                return;
                            resized = true;
                            for ( int i = 0; i < nt.getColumnCount(); i++ )
                            {
                                InitializeAutoResizeColumnsCommand columnCommand = new InitializeAutoResizeColumnsCommand( nt.getLayer(), i, nt.getConfigRegistry(), new GCFactory( nt ) );
                                nt.doCommand(new AutoResizeColumnsCommand( columnCommand ) );
                            }
                        }
					} );