Puedes probar esto. Utiliza la clase WMI (Windows Management Instrumentation), que te da información del sistema y además puedes cambiarla.
En la web de Neftali hay información:
https://neftali.clubdelphi.com/wmi-%...-introduccion/
Creo que tiene una librería por allí, que quizas te sirva de algo.
Código de StackOverflow:
https://stackoverflow.com/questions/...ogrammatically
Código Delphi
[-]
{$APPTYPE CONSOLE}
{$R *.res}
uses
SysUtils,
ActiveX,
Variants,
ComObj;
procedure SetStaticIpAddress(const NetworkCard, IPAddress, Mask :string);
const
WbemUser ='';
WbemPassword='';
WbemComputer='localhost';
wbemFlagForwardOnly = $00000020;
var
FSWbemLocator : OLEVariant;
FWMIService : OLEVariant;
FWbemObjectSet : OLEVariant;
FWbemObject : OLEVariant;
FOutParams : OLEVariant;
vIpAddress : OLEVariant;
vMask : OLEVariant;
oEnum : IEnumvariant;
iValue : LongWord;
begin
FSWbemLocator := CreateOleObject('WbemScripting.SWbemLocator');
FWMIService := FSWbemLocator.ConnectServer(WbemComputer, 'root\CIMV2', WbemUser, WbemPassword);
FWbemObjectSet:= FWMIService.ExecQuery(Format('SELECT * FROM Win32_NetworkAdapterConfiguration Where Description="%s"',[NetworkCard]),'WQL',wbemFlagForwardOnly);
oEnum := IUnknown(FWbemObjectSet._NewEnum) as IEnumVariant;
if oEnum.Next(1, FWbemObject, iValue) = 0 then
begin
vIpAddress := VarArrayCreate([0, 0], varVariant);
vIpAddress[0]:= IPAddress;
vMask := VarArrayCreate([0, 0], varVariant);
vMask[0]:= Mask;
FOutParams:=FWbemObject.EnableStatic(vIpAddress, vMask);
Writeln(Format('ReturnValue %s',[FOutParams]));
end
else
Writeln('Network card not found');
end;
begin
try
CoInitialize(nil);
try
SetStaticIpAddress('Network card name','192.168.1.1','255.255.255.0');
finally
CoUninitialize;
end;
except
on E:EOleException do
Writeln(Format('EOleException %s %x', [E.Message,E.ErrorCode]));
on E:Exception do
Writeln(E.Classname, ':', E.Message);
end;
Writeln('Press Enter to exit');
Readln;
end.