Delphi之TClientSocket和TServerSocket进行TCP长连接通讯使用KeepAlive自动发送心跳包检测断网
Delphi's TClientSocket and TServerSocket for TCP long-connection communication using KeepAlive to automatically send heartbeat packets to detect network disconnection
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之前下过了，一样的资源
有用，谢谢分享