Fires immediately after receiving of data sent by client.
void __stdcall OnClientData(DWORD_PTR Param, HANDLE hTcpSession, HANDLE hPacket, LPVOID pData, DWORD DataLength);
Set this event handler to make necessary actions at the moment of receiving of data, sent by client. This event handler is called in the context of a thread, which has called TcpMgrProcessPacket function.