Delphi串口开发控件, 包含DELPHI源代码-Delphi Serial Port VCL

Version 2.5



　　1. Add OnSendDataEmpty event handler when all data in buffer

　　　 are sent(send-buffer become empty) this handler is called.

　　　 You may call send data here.

　　2. Change the ModemState parameters in OnModemStateChange

　　　 to ModemEvent to indicate what modem event make this call

　　3. Add RING signal detect. When RLSD changed state or

　　　 RING signal was detected, OnModemStateChange handler is called

　　4. Change XonLim and XoffLim from 100 to 500

　　5. Remove TWriteThread.WriteData member

　　6. PostHangupCall is re-design for debuging function

　　7. Add a boolean property SendDataEmpty, True when send buffer

　　　 is empty