uses winsock;
procedure GetComputerNameAndIP;
var
wVersionRequested: WORD;
wsaData: TWSAData;
p: PHostEnt;
s: array[0..128] of char;
p2: pchar;
OutPut: array[0..100] of char;
begin
{Start up WinSock}
wVersionRequested := MAKEWORD(1, 1);
WSAStartup(wVersionRequested, wsaData);
{Get the computer name}
GetHostName(@s, 128);
p := GetHostByName(s);
{Get the IpAddress}
p2 := iNet_ntoa((PInAddr(p^.h_addr_list^))^);
StrPCopy(OutPut, 'Hostname: ' + Format('%s', [p^.h_Name]) + #10#13 +
'IPaddress: ' + Format('%s', [p2]));
WSACleanup;
MessageBox(0, OutPut, 'NetInfo', mb_ok or mb_iconinformation);
end;