Through the sample code to demonstrate if you are using windows API set TCP/IP heartbeat packets using TCP/IP protocol KeepAlive feature built-in disconnect to connect isolated.

TCPKeepAlive测试
................\gTCPKeepAlive.bdsgroup
................\gTCPKeepAlive.bdsgroup.local
................\gTCPKeepAlive.dsk
................\gTCPKeepAlive.~dsk
................\pClient.bdsproj
................\pClient.bdsproj.local
................\pClient.cfg
................\pClient.dpr
................\pClient.exe
................\pClient.res
................\pServer.bdsproj
................\pServer.bdsproj.local
................\pServer.cfg
................\pServer.dpr
................\pServer.exe
................\pServer.res
................\uClient.dcu
................\uClient.dfm
................\uClient.pas
................\uServer.dcu
................\uServer.dfm
................\uServer.pas

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