tl.dispose();
	protected void drawBlankString( Graphics g, String s )	{		TextLayout tl = new TextLayout( Display.getCurrent( ) );		tl.setText( s );		Rectangle rc = tl.getBounds( );		int left = ( getClientArea( ).width - rc.width ) / 2;		int top = ( getClientArea( ).height - rc.height ) / 2;		g.drawString( s, getClientArea( ).x + left, getClientArea( ).y + top );	}