Pegar informações do micro

........
uses
  WinSock;
------


function TForm1.GetCPUSpeed: Double;
const
  DelayTime = 500;
var
  TimerHi, TimerLo: DWORD;
  PriorityClass, Priority: Integer;
begin
  try
    PriorityClass := GetPriorityClass(GetCurrentProcess);
    Priority := GetThreadPriority(GetCurrentThread);
    SetPriorityClass(GetCurrentProcess, REALTIME_PRIORITY_CLASS);
    SetThreadPriority(GetCurrentThread, THREAD_PRIORITY_TIME_CRITICAL);
    Sleep(10);
    asm
      dw 310Fh // rdtsc
      mov TimerLo, eax
      mov TimerHi, edx
    end;
    Sleep(DelayTime);
    asm
      dw 310Fh // rdtsc
      sub eax, TimerLo
      sbb edx, TimerHi
      mov TimerLo, eax
      mov TimerHi, edx
    end;
    SetThreadPriority(GetCurrentThread, Priority);
    SetPriorityClass(GetCurrentProcess, PriorityClass);
    Result := TimerLo / (1000.0 * DelayTime);
  except
  end;
end;

function TForm1.Retorna_IP: string;
var
  p: PHostEnt;
  s: array[0..128] of char;
  p2: pchar;
  wVersionRequested: WORD;
  wsaData: TWSAData;
begin
  wVersionRequested := MAKEWORD(1, 1);
  WSAStartup(wVersionRequested, wsaData);
  GetHostName(@s, 128);
  p := GetHostByName(@s);
  p2 := iNet_ntoa(PInAddr(p^.h_addr_list^)^);
  Result := p2;
  WSACleanup;
end;

function TForm1.Retorna_Nome: string;
var
  p: PHostEnt;
  s: array[0..128] of char;
  p2: pchar;
  wVersionRequested: WORD;
  wsaData: TWSAData;
begin
  wVersionRequested := MAKEWORD(1, 1);
  WSAStartup(wVersionRequested, wsaData);
  GetHostName(@s, 128);
  p := GetHostByName(@s);
  Result := p^.h_Name;
end;

function TForm1.Retorna_Dominio: string;
var
  hProcesso, hTokenAcesso: THandle;
  Buffer: PChar;
  Usuario: array[0..31] of char;
  Dominio: array[0..31] of char;

  TamanhoBufferInfo: Cardinal;
  TamanhoUsuario: Cardinal;
  TamanhoDominio: Cardinal;
  snu: SID_NAME_USE;

begin
  TamanhoBufferInfo := 1000;
  TamanhoUsuario := sizeof(Usuario);
  TamanhoDominio := sizeof(Dominio);

  hProcesso := GetCurrentProcess;
  if OpenProcessToken(hProcesso, TOKEN_READ, hTokenAcesso) then
  try
    GetMem(Buffer, TamanhoBufferInfo);
    try
      if GetTokenInformation(hTokenAcesso, TokenUser, Buffer, TamanhoBufferInfo,
        TamanhoBufferInfo) then
        LookupAccountSid(nil, PSIDAndAttributes(Buffer)^.sid, Usuario,
          TamanhoUsuario, Dominio, TamanhoDominio, snu)
      else
        RaiseLastOSError;
    finally
      FreeMem(Buffer);
    end;
    result := Dominio;
  finally
    CloseHandle(hTokenAcesso);
  end
end;

function TForm1.Retorna_Usuario: string;
var
  cUser: array[0..144] of Char;
  BufferSize: DWord;
  cUserName: string;

begin
  BufferSize := SizeOf(cUser);
  GetUserName(cUser, BufferSize);
  cUserName := Trim(StrPas(cUser));
  Result := cUserName;
end;

function TForm1.Retorna_Memoria: string;
var
  MemoryStatus: TMemoryStatus;
begin
  MemoryStatus.dwLength := sizeof(MemoryStatus);
  GlobalMemoryStatus(MemoryStatus);
  Result := ´Total de memória física : ´ + FormatFloat(´#0,000´,
    MemoryStatus.dwTotalPhys);
  (*
  {typedef struct _MEMORYSTATUS}
  DWORD dwLength; // sizeof(MEMORYSTATUS)
  DWORD dwMemoryLoad; // percentual de memória em uso
  DWORD dwTotalPhys; // bytes de memória física
  DWORD dwAvailPhys; // bytes livres de memória física
  DWORD dwTotalPageFile; // bytes de paginação de arquivo
  DWORD dwAvailPageFile; // bytes livres de paginação de arquivo
  DWORD dwTotalVirtual; // bytes em uso de espaço de endereço
  DWORD dwAvailVirtual; // bytes livres}
  *)
end;

procedure TForm1.FormCreate(Sender: TObject);
var
  cpuspeed: string;
begin
  cpuspeed := Format(´¬f MHz´, [GetCPUSpeed]);
  Label1.Caption := ´Nome máquina: ´ + Retorna_Nome;
  Label2.Caption := ´IP: ´ + Retorna_IP;
  Label3.Caption := ´Domínio: ´ + Retorna_Dominio;
  Label4.Caption := ´Velocidade do CPU: ´ + cpuspeed +
    ´ (valor aproximado)´;
  Label5.Caption := ´Nome do usuário na rede: ´ + Retorna_Usuario;
  Label6.Caption := ´Memória RAM: ´ + Retorna_Memoria;
  Label8.Caption := ´Tamanho do Disco: ´ + FormatFloat(´#0,000´,DiskSize(0) div 1024);
  Label7.Caption := ´Espaço Livre: ´ + FormatFloat(´0,000´,DiskFree(0) div 1024);
end;