layout();
layout(false);
public void setBorderVisible(boolean show) {	checkWidget();	if (showBorder == show) return;		showBorder = show;	if (showBorder) {		borderLeft = borderTop = borderRight = borderBottom = 1;		if ((getStyle() & SWT.FLAT)== 0) highlight = 2;	} else {		borderBottom = borderTop = borderLeft = borderRight = 0;		highlight = 0;	}	layout();	redraw();}