During a cleaning operation unneeded drivers will be deleted from the system. 在清除操作期間不需要的驅動從系統將被刪除。
Using this method gives the target program a chance to prompt the user to save any unsaved data during the cleanup operation. 使用該方法使目標程序有機會在清除操作中提示用戶保存任何沒有保存的數據。