void setTopRight () {
		if (topRightButton.getSelection ()) {
			topRightControl = new ToolBar(tabFolder1, SWT.FLAT);
			ToolItem item = new ToolItem(topRightControl, SWT.PUSH);
			item.setImage(instance.images[ControlExample.ciClosedFolder]);
			item = new ToolItem(topRightControl, SWT.PUSH);
			item.setImage(instance.images[ControlExample.ciOpenFolder]);
			int topRightStyle = 0;
			if (rightButton.getSelection ()) topRightStyle |= SWT.RIGHT;
			if (fillButton.getSelection ()) topRightStyle |= SWT.FILL;
			if (wrapButton.getSelection ()) topRightStyle |= SWT.RIGHT | SWT.WRAP;
			tabFolder1.setTopRight(topRightControl, topRightStyle);
		} else {
			if (topRightControl != null) {
				tabFolder1.setTopRight(null);
				topRightControl.dispose();
			}
		}
		setExampleWidgetSize();
	}