简点的点对点聊天,设置对方IP后就可以实现点对点聊天了,使用Delphi7自带的tcp控件开发,没有使用第3方控件-Simple point-to-point chat-point, the other IP settings can be achieved after a peer-to-peer chat, use the tcp control Delphi7 own development, not to control the use of section 3