if (item.isShowing()) return; Point size = getSize();
public void showItem (CTabItem item) {	checkWidget();	if (item == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);	if (item.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);	if (item.isShowing()) return;	Point size = getSize();	int index = indexOf(item);	if (size.x <= borderLeft + borderRight || index < firstIndex) {		setFirstIndex(index);	} else {		setLastIndex(index);	}}