if (!(0 <= index && index < getItemCount())) error (SWT.ERROR_INVALID_RANGE);
public TabItem getItem (int index) {	checkWidget();	int list = OS.gtk_container_get_children (handle);	if (list == 0) error (SWT.ERROR_CANNOT_GET_ITEM);	int itemCount = OS.g_list_length (list);	OS.g_list_free (list);	if (!(0 <= index && index < itemCount)) error (SWT.ERROR_CANNOT_GET_ITEM);	return items [index];}