/**
* Redoes the previous edit of this type.
*
* @exception CannotRedoException if <code>canRedo</code> returns <code>false</code>
* @see #canRedo
*/
public void redo() throws CannotRedoException {
arrange.redoArrange(oViewFrame);
}
/**
* Undoes the last edit operation of this type.
*
* @exception CannotUndoException if <code>canUndo</code> returns <code>false</code>
* @see #canUndo
*/
public void undo() throws CannotUndoException {
arrange.undoArrange(oViewFrame);
}