小问题 如何判断个winsocket有效(195分)

uses Winsock;
function WinsockEnabled: boolean;
var
wsaData: TWSAData;
begin
result := true;
case Winsock.WSAStartup($0101,wsaData) of
WSAEINVAL, WSASYSNOTREADY, WSAVERNOTSUPPORTED: result := false;
else
Winsock.WSACleanup;
end;
end;

没试过,,,抄来的

接受答案了.