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| unit SystemInfo;
interface
uses
System.Classes,
System.SysUtils,
Winapi.Windows,
System.Variants,
ComObj,
ActiveX,
Registry,
TlHelp32,
Winapi.ShellAPI;
type
/// Classe pour récupérer des informations système via WMI et API Windows.
TSystemInfo = class
private
function WMIQuerySingleValue(const WMIClass, PropName: string): string;
function WMIQueryList(const WMIClass: string; const Props: array of string)
: TStringList;
function GetUptimeFromWMI: string;
function GetActivePowerSchemeGUID: string;
public
constructor Create;
destructor Destroy; override;
function GetOSInfo: TStringList;
function GetCPUInfo: TStringList;
function GetMemoryInfo: TStringList;
function GetDiskInfo: TStringList;
function GetNetworkAdapters: TStringList;
function GetGPUInfo: TStringList;
function GetBIOSInfo: TStringList;
function GetBaseBoardInfo: TStringList;
function GetBatteryInfo: TStringList;
function GetUsers: TStringList;
function GetHotFixes: TStringList;
function GetHostAndUptime: TStringList;
function GetPrinters: TStringList;
function GetServices: TStringList;
function GetProcesses: TStringList;
function GetTimeZoneAndLocale: TStringList;
function GetPowerPlan: TStringList;
class function FormatSize(Bytes: UInt64): string; static;
end;
implementation
{ TSystemInfo }
constructor TSystemInfo.Create;
begin
inherited;
// Initialisation COM pour WMI
CoInitializeEx(nil, COINIT_APARTMENTTHREADED);
end;
destructor TSystemInfo.Destroy;
begin
// Libération COM
CoUninitialize;
inherited;
end;
/// Exécute une requête WMI et retourne la première valeur trouvée.
function TSystemInfo.WMIQuerySingleValue(const WMIClass,
PropName: string): string;
var
WbemLocator, WMIService, Items, Item: OLEVariant;
Enum: IEnumVARIANT;
Value: Cardinal;
begin
Result := '';
try
WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
WMIService := WbemLocator.ConnectServer('.', 'root\cimv2', '', '');
Items := WMIService.ExecQuery(Format('SELECT %s FROM %s',
[PropName, WMIClass]), 'WQL', 0);
Enum := IUnknown(Items._NewEnum) as IEnumVARIANT;
if Enum.Next(1, Item, Value) = 0 then
begin
try
Result := VarToStr(Item.Properties_.Item(PropName).Value);
finally
Item := Unassigned;
end;
end;
except
Result := '';
end;
end;
/// Exécute une requête WMI et construit une TStringList (chaque ligne = propriétés concaténées).
function TSystemInfo.WMIQueryList(const WMIClass: string;
const Props: array of string): TStringList;
var
WbemLocator, WMIService, Items, Item: OLEVariant;
Enum: IEnumVARIANT;
Value: Cardinal;
i: Integer;
s: string;
begin
Result := TStringList.Create;
try
WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
WMIService := WbemLocator.ConnectServer('.', 'root\cimv2', '', '');
Items := WMIService.ExecQuery(Format('SELECT * FROM %s', [WMIClass]),
'WQL', 0);
Enum := IUnknown(Items._NewEnum) as IEnumVARIANT;
while Enum.Next(1, Item, Value) = 0 do
begin
s := '';
for i := Low(Props) to High(Props) do
begin
try
s := s + Props[i] + ': ' +
VarToStr(Item.Properties_.Item(Props[i]).Value);
except
s := s + Props[i] + ': ';
end;
if i < High(Props) then
s := s + ' ; ';
end;
Result.Add(s);
Item := Unassigned;
end;
except
on E: Exception do
begin
Result.Clear;
Result.Add('Erreur: ' + E.Message);
end;
end;
end;
/// Informations processeur (WMI)
function TSystemInfo.GetCPUInfo: TStringList;
var
sl: TStringList;
begin
sl := TStringList.Create;
try
sl.Add('Nom: ' + WMIQuerySingleValue('Win32_Processor', 'Name'));
sl.Add('Fabricant: ' + WMIQuerySingleValue('Win32_Processor',
'Manufacturer'));
sl.Add('Identifiant Processeur: ' + WMIQuerySingleValue('Win32_Processor',
'ProcessorId'));
sl.Add('Nombre Coeurs: ' + WMIQuerySingleValue('Win32_Processor',
'NumberOfCores'));
sl.Add('Nombre Threads Logiques: ' + WMIQuerySingleValue('Win32_Processor',
'NumberOfLogicalProcessors'));
sl.Add('Frequence Max MHz: ' + WMIQuerySingleValue('Win32_Processor',
'MaxClockSpeed'));
Result := sl;
except
sl.Free;
raise;
end;
end;
/// Informations disques logiques (WMI) + conversion taille.
function TSystemInfo.GetDiskInfo: TStringList;
var
i: Integer;
line: string;
parts: TArray<string>;
dev, fs, sizeStr, freeStr, vol: string;
sizeNum, freeNum: Int64;
begin
Result := WMIQueryList('Win32_LogicalDisk WHERE DriveType=3',
['DeviceID', 'FileSystem', 'Size', 'FreeSpace', 'VolumeName']);
try
i := 0;
while i < Result.Count do
begin
line := Result[i];
parts := line.Split([' ; ']);
dev := '';
fs := '';
sizeStr := '';
freeStr := '';
vol := '';
if Length(parts) > 0 then
dev := parts[0];
if Length(parts) > 1 then
fs := parts[1];
if Length(parts) > 2 then
if parts[2].StartsWith('Size:') then
sizeStr := Trim(parts[2].Substring(Length('Size:')));
if Length(parts) > 3 then
if parts[3].StartsWith('FreeSpace:') then
freeStr := Trim(parts[3].Substring(Length('FreeSpace:')));
if Length(parts) > 4 then
vol := parts[4];
sizeNum := 0;
freeNum := 0;
if (sizeStr <> '') and TryStrToInt64(sizeStr, sizeNum) then
sizeStr := TSystemInfo.FormatSize(UInt64(sizeNum));
if (freeStr <> '') and TryStrToInt64(freeStr, freeNum) then
freeStr := TSystemInfo.FormatSize(UInt64(freeNum));
Result[i] :=
Format('Lecteur: %s ; Système Fichiers: %s ; Taille: %s ; Espace Libre: %s ; Etiquette: %s',
[dev, fs, sizeStr, freeStr, vol]);
Inc(i);
end;
except
// Ne pas lever d'exception ici : retourner ce qui est disponible.
end;
end;
/// Informations GPU (WMI) ; conversion RAM adaptateur si possible.
function TSystemInfo.GetGPUInfo: TStringList;
var
i, j: Integer;
line: string;
parts: TArray<string>;
ramStr: string;
ramNum: Int64;
begin
Result := WMIQueryList('Win32_VideoController', ['Name', 'DriverVersion',
'AdapterRAM', 'VideoProcessor']);
try
i := 0;
while i < Result.Count do
begin
line := Result[i];
parts := line.Split([' ; ']);
for j := 0 to High(parts) do
begin
if parts[j].StartsWith('AdapterRAM:') then
begin
ramStr := Trim(parts[j].Substring(Length('AdapterRAM:')));
ramNum := 0;
if (ramStr <> '') and TryStrToInt64(ramStr, ramNum) then
parts[j] := 'RAM Adaptateur: ' + TSystemInfo.FormatSize
(UInt64(ramNum));
end;
// Remplacer libellés anglais
parts[j] := parts[j].Replace('Name:', 'Nom:').Replace('DriverVersion:',
'Version Driver:').Replace('VideoProcessor:', 'Processeur Video:');
end;
Result[i] := String.Join(' ; ', parts);
Inc(i);
end;
except
end;
end;
/// Informations mémoire via GlobalMemoryStatusEx
function TSystemInfo.GetMemoryInfo: TStringList;
var
TotalPhys, AvailPhys: UInt64;
memStatus: TMemoryStatusEx;
sl: TStringList;
begin
sl := TStringList.Create;
memStatus.dwLength := SizeOf(memStatus);
if GlobalMemoryStatusEx(memStatus) then
begin
TotalPhys := memStatus.ullTotalPhys;
AvailPhys := memStatus.ullAvailPhys;
sl.Add('Memoire Physique Totale: ' + FormatSize(TotalPhys));
sl.Add('Memoire Physique Disponible: ' + FormatSize(AvailPhys));
sl.Add('Chargement Memoire Pourcent: ' +
IntToStr(memStatus.dwMemoryLoad) + '%');
sl.Add('Memoire Virtuelle Totale: ' +
FormatSize(memStatus.ullTotalVirtual));
sl.Add('Memoire Virtuelle Disponible: ' +
FormatSize(memStatus.ullAvailVirtual));
end
else
sl.Add('Global Memory StatusEx a échoué');
Result := sl;
end;
/// Adaptateurs réseau (WMI)
function TSystemInfo.GetNetworkAdapters: TStringList;
var
i: Integer;
begin
Result := WMIQueryList
('Win32_NetworkAdapterConfiguration WHERE IPEnabled=True',
['Description', 'MACAddress', 'IPAddress', 'IPSubnet', 'DefaultIPGateway',
'DNSHostName']);
i := 0;
while i < Result.Count do
begin
Result[i] := Result[i].Replace('Description:', 'Description:')
.Replace('MACAddress:', 'Adresse MAC:').Replace('IPAddress:',
'Adresse IP:').Replace('IPSubnet:', 'Masque:')
.Replace('DefaultIPGateway:', 'PasserelleParDefaut:')
.Replace('DNSHostName:', 'NomDNS:');
Inc(i);
end;
end;
/// Informations OS (WMI)
function TSystemInfo.GetOSInfo: TStringList;
var
sl: TStringList;
csd, buildNumber, caption, version, arch: string;
begin
sl := TStringList.Create;
caption := WMIQuerySingleValue('Win32_OperatingSystem', 'Caption');
version := WMIQuerySingleValue('Win32_OperatingSystem', 'Version');
csd := WMIQuerySingleValue('Win32_OperatingSystem', 'CSDVersion');
buildNumber := WMIQuerySingleValue('Win32_OperatingSystem', 'BuildNumber');
arch := WMIQuerySingleValue('Win32_OperatingSystem', 'OSArchitecture');
sl.Add('Nom OS: ' + caption);
sl.Add('Version OS: ' + version);
sl.Add('Num Build: ' + buildNumber);
sl.Add('Architecture: ' + arch);
sl.Add('CSD Version: ' + csd);
sl.Add('Numero Serie OS: ' + WMIQuerySingleValue('Win32_OperatingSystem',
'SerialNumber'));
sl.Add('Date Installation: ' + WMIQuerySingleValue('Win32_OperatingSystem',
'InstallDate'));
Result := sl;
end;
/// BIOS (WMI)
function TSystemInfo.GetBIOSInfo: TStringList;
var
i: Integer;
begin
Result := WMIQueryList('Win32_BIOS', ['Manufacturer', 'Name', 'Version',
'SerialNumber', 'ReleaseDate']);
i := 0;
while i < Result.Count do
begin
Result[i] := Result[i].Replace('Manufacturer:', 'Fabricant:')
.Replace('Name:', 'Nom:').Replace('SerialNumber:', 'Numero Serie:')
.Replace('ReleaseDate:', 'DateSortie:');
Inc(i);
end;
end;
/// Carte mère (Win32_BaseBoard)
function TSystemInfo.GetBaseBoardInfo: TStringList;
var
i: Integer;
begin
Result := WMIQueryList('Win32_BaseBoard', ['Manufacturer', 'Product',
'SerialNumber', 'Version']);
i := 0;
while i < Result.Count do
begin
Result[i] := Result[i].Replace('Manufacturer:', 'Fabricant:')
.Replace('Product:', 'Produit:').Replace('SerialNumber:',
'Numero Serie:');
Inc(i);
end;
end;
/// Batterie (Win32_Battery)
function TSystemInfo.GetBatteryInfo: TStringList;
var
i: Integer;
begin
Result := WMIQueryList('Win32_Battery',
['Name', 'Status', 'EstimatedChargeRemaining', 'BatteryStatus']);
i := 0;
while i < Result.Count do
begin
Result[i] := Result[i].Replace('Name:', 'Nom:').Replace('Status:', 'Etat:')
.Replace('EstimatedChargeRemaining:', 'Charge Restante Pourcent:')
.Replace('BatteryStatus:', 'Statut Batterie:');
Inc(i);
end;
end;
/// Utilisateurs locaux (WMI)
function TSystemInfo.GetUsers: TStringList;
var
i: Integer;
begin
Result := WMIQueryList('Win32_UserAccount WHERE LocalAccount=True',
['Name', 'FullName', 'SID', 'Status']);
i := 0;
while i < Result.Count do
begin
Result[i] := Result[i].Replace('Name:', 'Nom:').Replace('FullName:',
'Nom Complet:').Replace('Status:', 'Etat:');
Inc(i);
end;
end;
/// Correctifs (WMI)
function TSystemInfo.GetHotFixes: TStringList;
var
i: Integer;
begin
Result := WMIQueryList('Win32_QuickFixEngineering',
['HotFixID', 'Description', 'InstalledOn']);
i := 0;
while i < Result.Count do
begin
Result[i] := Result[i].Replace('HotFixID:', 'Correctif ID:')
.Replace('InstalledOn:', 'Installe Le:');
Inc(i);
end;
end;
/// Parse LastBootUpTime et calcule l'uptime en secondes
function TSystemInfo.GetUptimeFromWMI: string;
var
sBoot: string;
bootDate: TDateTime;
bootDateStr: string;
osUpSeconds: Int64;
nowDT: TDateTime;
begin
Result := '';
sBoot := WMIQuerySingleValue('Win32_OperatingSystem', 'LastBootUpTime');
if sBoot = '' then
Exit;
try
if Length(sBoot) >= 14 then
begin
bootDateStr := Copy(sBoot, 1, 14);
bootDate := EncodeDate(StrToInt(Copy(bootDateStr, 1, 4)),
StrToInt(Copy(bootDateStr, 5, 2)), StrToInt(Copy(bootDateStr, 7, 2))) +
EncodeTime(StrToInt(Copy(bootDateStr, 9, 2)),
StrToInt(Copy(bootDateStr, 11, 2)),
StrToInt(Copy(bootDateStr, 13, 2)), 0);
nowDT := Now;
osUpSeconds := Trunc((nowDT - bootDate) * 24 * 3600);
Result := Format
('Dernier Demarrage: %s ; Duree Fonctionnement Secondes: %d',
[DateTimeToStr(bootDate), osUpSeconds]);
end;
except
Result := '';
end;
end;
/// Nom hôte et uptime (WMI puis fallback)
function TSystemInfo.GetHostAndUptime: TStringList;
var
sl: TStringList;
host: array [0 .. MAX_COMPUTERNAME_LENGTH + 1] of Char;
sizeName: DWORD;
uptimeStr: string;
begin
sl := TStringList.Create;
sizeName := Length(host);
if GetComputerName(host, sizeName) then
sl.Add('Nom Hote: ' + string(host))
else
sl.Add('Nom Hote: (echec)');
uptimeStr := GetUptimeFromWMI;
if uptimeStr <> '' then
sl.Add(uptimeStr)
else
sl.Add('Duree Fonctionnement Secondes: ' +
UIntToStr(GetTickCount64 div 1000));
Result := sl;
end;
/// Imprimantes (WMI)
function TSystemInfo.GetPrinters: TStringList;
var
WbemLocator, WMIService, Items, Item: OLEVariant;
Enum: IEnumVARIANT;
Value: Cardinal;
s: string;
begin
Result := TStringList.Create;
try
try
WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
WMIService := WbemLocator.ConnectServer('.', 'root\cimv2', '', '');
Items := WMIService.ExecQuery
('SELECT Name, SystemName, DriverName, PortName, Default FROM Win32_Printer',
'WQL', 0);
Enum := IUnknown(Items._NewEnum) as IEnumVARIANT;
while Enum.Next(1, Item, Value) = 0 do
begin
try
s := Format
('Nom: %s ; Systeme: %s ; Pilote: %s ; Port: %s ; Defaut: %s',
[VarToStr(Item.Name), VarToStr(Item.SystemName),
VarToStr(Item.DriverName), VarToStr(Item.PortName),
VarToStr(Item.Default)]);
except
s := 'Imprimante: (erreur lecture propriétés)';
end;
Result.Add(s);
Item := Unassigned;
end;
except
on E: Exception do
Result.Add('Erreur récupération imprimantes: ' + E.Message);
end;
except
Result.Free;
raise;
end;
end;
/// Services (WMI)
function TSystemInfo.GetServices: TStringList;
var
WbemLocator, WMIService, Items, Item: OLEVariant;
Enum: IEnumVARIANT;
Value: Cardinal;
Name, displayName, state, startMode: string;
begin
Result := TStringList.Create;
try
try
WbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
WMIService := WbemLocator.ConnectServer('.', 'root\cimv2', '', '');
Items := WMIService.ExecQuery
('SELECT Name, DisplayName, State, StartMode FROM Win32_Service',
'WQL', 0);
Enum := IUnknown(Items._NewEnum) as IEnumVARIANT;
while Enum.Next(1, Item, Value) = 0 do
begin
try
name := VarToStr(Item.Name);
displayName := VarToStr(Item.displayName);
state := VarToStr(Item.state);
startMode := VarToStr(Item.startMode);
Result.Add
(Format('Nom Service: %s ; Nom Affiche: %s ; Etat: %s ; Mode Demarrage: %s',
[name, displayName, state, startMode]));
except
Result.Add('Service: (erreur lecture propriétés)');
end;
Item := Unassigned;
end;
except
on E: Exception do
Result.Add('Erreur récupération services: ' + E.Message);
end;
except
Result.Free;
raise;
end;
end;
/// Processus en cours (snapshot ToolHelp)
function TSystemInfo.GetProcesses: TStringList;
var
hSnap: THandle;
pe: TProcessEntry32;
begin
Result := TStringList.Create;
hSnap := CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if hSnap = INVALID_HANDLE_VALUE then
begin
Result.Add('Erreur creation snapshot processus');
Exit;
end;
try
pe.dwSize := SizeOf(pe);
if Process32First(hSnap, pe) then
begin
repeat
Result.Add(Format('PID: %d ; Nom: %s ; Threads: %d',
[pe.th32ProcessID, string(pe.szExeFile), pe.cntThreads]));
until not Process32Next(hSnap, pe);
end
else
Result.Add('Aucun processus trouvé ou droits insuffisants');
finally
CloseHandle(hSnap);
end;
end;
/// Fuseau horaire et locale (API Windows)
function TSystemInfo.GetTimeZoneAndLocale: TStringList;
var
tzInfo: TTimeZoneInformation;
langID: LCID;
localeName: array [0 .. LOCALE_NAME_MAX_LENGTH] of Char;
res: Cardinal;
begin
Result := TStringList.Create;
if GetTimeZoneInformation(tzInfo) <> DWORD(TIME_ZONE_ID_INVALID) then
Result.Add('Fuseau Horaire: ' + String(tzInfo.StandardName))
else
Result.Add('Fuseau Horaire: (echec)');
langID := GetUserDefaultLCID;
res := LCIDToLocaleName(langID, localeName, LOCALE_NAME_MAX_LENGTH + 1, 0);
if res <> 0 then
Result.Add('Locale: ' + string(PChar(@localeName[0])))
else
Result.Add('Locale: (echec)');
Result.Add('Langue Utilisateur ID: ' + IntToStr(GetUserDefaultLangID));
end;
/// Récupère le GUID du plan d'alimentation actif (powrprof.dll)
function TSystemInfo.GetActivePowerSchemeGUID: string;
type
TPowerGetActiveScheme = function(UserRootPowerKey: Pointer;
var SchemeGuid: TGUID): DWORD; stdcall;
var
PowerGetActiveScheme: TPowerGetActiveScheme;
hPowrProf: THandle;
guid: TGUID;
begin
Result := '';
hPowrProf := GetModuleHandle('powrprof.dll');
if hPowrProf = 0 then
Exit;
@PowerGetActiveScheme := GetProcAddress(hPowrProf, 'PowerGetActiveScheme');
if not Assigned(PowerGetActiveScheme) then
Exit;
if PowerGetActiveScheme(nil, guid) = 0 then
begin
Result := GUIDToString(guid);
if (Length(Result) > 0) and (Result[1] = '{') and
(Result[Length(Result)] = '}') then
Result := Copy(Result, 2, Length(Result) - 2);
end;
end;
/// Wrapper pour renvoyer le GUID du plan d'alimentation actif
function TSystemInfo.GetPowerPlan: TStringList;
var
guid: string;
begin
Result := TStringList.Create;
guid := GetActivePowerSchemeGUID;
if guid <> '' then
Result.Add('GUID Plan Alimentatio nActif: ' + guid)
else
Result.Add('GUID Plan Alimentation Actif: (non disponible)');
end;
/// Convertit octets en chaîne lisible
class function TSystemInfo.FormatSize(Bytes: UInt64): string;
const
KB = 1024;
MB = KB * 1024;
GB = MB * 1024;
begin
if Bytes >= GB then
Result := FormatFloat('0.## GB', Bytes / GB)
else if Bytes >= MB then
Result := FormatFloat('0.## MB', Bytes / MB)
else if Bytes >= KB then
Result := FormatFloat('0.## KB', Bytes / KB)
else
Result := Format('%d octets', [Bytes]);
end;
end. |
TSystemInfo - Une Classe pour la collecte d’informations système Windows
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