public void getColumnHeaderCells(AccessibleTableEvent e) {
			if (columns.length == 0) {
				/* The CTable is being used as a list, and there are no headers. */
				e.accessibles = null;
			} else {
				Accessible[] accessibles = new Accessible[columns.length];
				for (int i = 0; i < columns.length; i++) {
					CTableColumn column = columns [i];
					accessibles[i] = column.getAccessible (accessibleTable);
				}
				e.accessibles = accessibles;
			}
		}