Esempi in C# (CSharp) per ICardReader.FailBuz

Esempio n. 1

        /// <summary>
        /// 操作读卡器发出失败提示声音
        /// </summary>
        public void FailBuz()
        {
            bool originalStarted = _Started;

            if (originalStarted)
            {
                StopReadCard();   //正在读卡，先停止
                WaitForReading(); //等待读卡完成
            }

            try
            {
                if (HadActiveReader)
                {
                    _ActiveReader.FailBuz();
                }
                else
                {
                    foreach (ICardReader reader in _Readers)
                    {
                        if (reader.FailBuz())
                        {
                            _ActiveReader = reader;
                            break;
                        }
                    }
                }
            }
            catch (ThreadAbortException ex)
            {
            }
            catch (Exception ex)
            {
                ExceptionPolicy.HandleException(ex);
            }
            if (originalStarted)
            {
                BeginReadCard();                 //恢复读卡
            }
        }