以前用Delphi编写的简单网络聊天室，可点对点对某人发送即时消息，由于某种原因导致网络启动失败，则会弹出错误信息。本聊天程序不允许发送空消息，请按程序要求进行测试。

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Previously with Delphi simple network chat rooms, peer-to-person can send an instant message, for some reason the network boot fails, an error message will pop up. The chat program allowed to send empty message, press the procedural requirements for testing.