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// Fonction lecture infos WMI
// InfoWMI('Nom de l'instance Win32_...', 'Nom de la propriété')
function InfoWMI(Requete, Properties : String) :TStringList;
var
WMILocator: TSWbemLocator;
WMIService: SWbemServices;
WMIObjectSet: SWbemObjectSet;
WMIObject: SWbemObject;
ObjectEnumerator: IEnumVariant;
ArrayVariant: OleVariant;
NumberItem: LongWord;
begin
Result := TStringList.create;
DNS2 := TStringList.create;
WMILocator:= TSWbemLocator.Create(nil);
Screen.Cursor := crAppStart;
Try
// Connexion WMI (PCName, 'ROOT\CIMV2', UserName, UserPassword, '', '', ...)
WMIService:= WMILocator.ConnectServer(sPCName, 'ROOT\CIMV2', sUserName, sUserPwd, '',
'', wbemConnectFlagUseMaxWait, nil);
WMIObjectSet := WMIService.InstancesOf(Requete,
wbemFlagReturnWhenComplete, nil);
// Affecte un énumérateur pour la collection d'objet SWbemObject
ObjectEnumerator:= (WmiObjectSet._NewEnum) as IEnumVariant;
// Retourne NumberItem éléments dans le tableau ArrayVariant
while (ObjectEnumerator.Next(1, ArrayVariant, NumberItem) = S_OK) do
begin
// Récupére de la collection l'objet SWbemObject courant
WMIObject := IUnknown(ArrayVariant) as SWBemObject;
If WmiObject.Properties_.Item(Properties,0) <> nil Then
begin
if not VarIsNull(WmiObject.Properties_.Item(Properties, 0).Get_Value) Then
begin
if WmiObject.Properties_.Item(Properties,0).IsArray Then
begin
if not VarArrayHighBound(WmiObject.Properties_.Item(Properties,0).Get_Value, 1) > 0 Then
begin
// Retrouve la propriétés de l'instance au format MOF
result.add(WmiObject.Properties_.Item(Properties,0).Get_Value[0]);
if(Properties = 'DNSServerSearchOrder') Then DNS2.add('');
end
else
begin
result.add(WmiObject.Properties_.Item(Properties,0).Get_Value[0]);
if(Properties = 'DNSServerSearchOrder') Then
begin
if VarArrayHighBound(WmiObject.Properties_.Item(Properties,0).Get_Value, 1) > 0 Then
DNS2.add(WmiObject.Properties_.Item(Properties,0).Get_Value[1])
else DNS2.add('');
end;
end;
end
else
begin
// Retrouve la propriétés de l'instance au format MOF
result.add(WMIObject.Properties_.Item(Properties,0).Get_Value)
end;
end
else
begin
result.add('');
if(Properties = 'DNSServerSearchOrder') Then DNS2.add('');
end;
end;
end;
Finally;
Screen.Cursor:= crDefault;
WMILocator.Disconnect;
WMILocator.Free;
end;
end;
Function SetWMI(Requete, Method, vType, Value :String) :Integer;
var
WMIService : SWbemServices;
WMILocator : ISWbemLocator;
Instance_inParameters : SWbemObject;
WMIProperty : SWbemProperty;
ProcessMethod : ISWbemMethod;
WMIObject : SWbemObject;
MethodResult : SWbemObject;
WMIObjectSet : SWbemObjectSet;
vValue,
PropertyReturnValue : OleVariant;
slType, slValue : TStringList;
ObjectEnumerator : IEnumVariant;
ArrayVariant : OleVariant;
NumberItem : LongWord;
i : integer;
begin
Screen.Cursor := crAppStart;
slType := TStringList.Create;
slValue := TStringList.Create;
WMILocator := CoSWbemLocator.Create;
WMIService := WMILocator.ConnectServer(sPCName, 'ROOT\CIMV2', sUserName, sUserPwd, '',
'', wbemConnectFlagUseMaxWait, Nil);
Try
WMIObjectSet := WMIService.ExecQuery(Requete, 'WQL',
wbemFlagReturnImmediately, Nil);
ObjectEnumerator := (WMIObjectSet._NewEnum) as IEnumVariant;
while (ObjectEnumerator.Next(1, ArrayVariant, NumberItem) = S_OK) do
begin
WMIObject := IUnknown(ArrayVariant) as SWBemObject;
ProcessMethod := WMIObject.Methods_.Item(Method, 0);
Instance_inParameters := ProcessMethod.InParameters.SpawnInstance_(0);
slType := ExtractWord(vType,[',']);
slValue := ExtractWord(Value,[',']);
if slType.count = slValue.count Then
begin
for i:=0 to slType.count-1 do
begin
WMIProperty := Instance_inParameters.Properties_.Item(slType[i],0);
vValue := slValue[i];
//Renseigne la valeur de la propriété
WMIProperty.Set_Value(vValue);
end;
MethodResult := WMIObject.ExecMethod_(Method, Instance_inParameters, wbemFlagReturnWhenComplete, nil);
// Recupére la valeur de retour de la méthode via la propriété 'ReturnValue'
PropertyReturnValue := MethodResult.Properties_.Item('ReturnValue', 0);
end;
end;
Result := PropertyReturnValue.Value;
Except
// Si valeur entrée génère Exception ou Violation d'accès Erreur -222
Result := -222;
end;
Screen.Cursor:= crDefault;
slType.Free;
slValue.Free;
end;
Function ExtractWord(sWords : string; sSeparateur : TSysCharSet): TStringList;
var
i, n : integer;
CurrentWord : string;
begin
Result := TStringList.Create;
n := length(sWords);
i := 1;
while (i <= n) do
begin
currentWord := '';
{ on saute les séparateurs }
while (i <= n) and (sWords[i] in sSeparateur) do
inc(i);
{ récupération du mot courant }
while (i <= n) and not (sWords[i] in sSeparateur) do
begin
CurrentWord := CurrentWord + sWords[i];
inc(i);
end;
if (CurrentWord <> '') then
Result.Add(CurrentWord);
end;
end;
// Executer commande a distance
Function ExecProcess(Requete, Method, vType, Value : String): Integer;
var
WMIService : SWbemServices;
WMILocator : ISWbemLocator;
Instance_inParameters : SWbemObject;
WMIProperty : SWbemProperty;
ProcessMethod : ISWbemMethod;
WMIObject : SWbemObject;
MethodResult : SWbemObject;
vValue,
PropertyReturnValue : OleVariant;
begin
Screen.Cursor := crAppStart;
WMILocator := CoSWbemLocator.Create;
WMIService := WMILocator.ConnectServer(sPCName, 'ROOT\CIMV2', sUserName, sUserPwd, '',
'', wbemConnectFlagUseMaxWait, Nil);
WMIObject := WMIService.Get(Requete, 0, Nil);
ProcessMethod := WMIObject.Methods_.Item(Method, 0);
Instance_inParameters:= ProcessMethod.InParameters.SpawnInstance_(0);
WMIProperty := Instance_inParameters.Properties_.Item(vType,0);
vValue := Value;
WMIProperty.Set_Value(vValue);
MethodResult := WMIObject.ExecMethod_(Method, Instance_inParameters, wbemFlagReturnWhenComplete, nil);
// Recupére la valeur de retour de la méthode via la propriété 'ReturnValue'
PropertyReturnValue := MethodResult.Properties_.Item('ReturnValue', 0);
Result := PropertyReturnValue;
Screen.Cursor:= crDefault;
end; |