[in] Event handler function address.
This function must be declared as HNFN_TCPSERVER.
Param
[in] Event handler parameter. This parameter is sent to the event handler each time it is called.
Return values:
If the function succeeds the return value will be the value of the pfOnServer parameter.
Description:
Use TcpMgrSetOnServer to set the address and the parameter value for the OnServerData
event handler. This event handler is called in the context of a thread, which has called
TcpMgrProcessPacket function.