很有意思的Indy連結，下次有時間再來玩玩看

我記得 Delphi 2009 內附的 Indy 好像是 10.2.3 版，這對想寫網路程式的工程師很有幫助

Delphi2009的Indy全接触之TCP篇
Delphi2009的Indy全接触之UDP篇

有時間再來試試吧！

2011/5/18 補充
順便補上以前學用 Indy 做聊天室的練習，真是極品的教學呀！
Server:
Sever Side Chat Application with Borland Delphi/Indy
Server Side Chat Application with Borland Delphi/Indy, concluded

Client:
Creating Chat Application with Borland Delphi/Indy: The Client