arrowBar.setBackground(getBackground());
arrowBar.setBackground(background);
private void createArrowBar() {	// create arrow buttons for scrolling 	arrowBar = new ToolBar(this, SWT.FLAT);	arrowBar.setVisible(false);	arrowBar.setBackground(getBackground());	ToolItem scrollLeft = new ToolItem(arrowBar, SWT.PUSH);	scrollLeft.setEnabled(false);	ToolItem scrollRight = new ToolItem(arrowBar, SWT.PUSH);	scrollRight.setEnabled(false);		scrollLeft.addListener(SWT.Selection, new Listener() {		public void handleEvent(Event event) {			scroll_scrollLeft();		}	});	scrollRight.addListener(SWT.Selection, new Listener() {		public void handleEvent(Event event) {			scroll_scrollRight();		}	});	}