indy TCPClient服务器没开的情况下要怎么快点返回
c++builder2010
try { idtcpclnt1->Port = 50612 ; idtcpclnt1->Host = ip_addr ; //idtcpclnt1->ConnectTimeout = 100 ; idtcpclnt1->Connect() ; if( idtcpclnt1->Connected() ) return(1) ; else return(0) ; } catch(...) { ShowMessage("远程主机无响应!"); return(0) ; }