unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls,Winsock,
IpExport,
IpHlpApi,
IpTypes,
IpIfConst,
IpRtrMib, ExtCtrls;
type
TForm1 = class(TForm)
Timer1: TTimer;
Label1: TLabel;
procedure Timer1Timer(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
old: integer;
implementation
{$R *.dfm}
procedure TForm1.Timer1Timer(Sender: TObject);
var MibRow: TMibIfRow;
IntfTable: PMibIfTable;
Size: DWORD;
I: Integer;
wert:integer;
begin
Size := 0;
if GetIfTable(nil, Size, True) <> ERROR_INSUFFICIENT_BUFFER then Exit;
IntfTable := AllocMem(Size);
try
if GetIfTable(IntfTable, Size, True) = NO_ERROR then
begin
for I := 0 to IntfTable^.dwNumEntries - 1 do
begin
{$R-}MibRow := IntfTable.Table[I];{$R+}
if MibRow.dwType <> MIB_IF_TYPE_ETHERNET then Continue; // oder MIB_IF_TYPE_PPP
if i = 1 then begin // Welche Verbindung
wert := MibRow.dwInOctets - old;
label1.caption := floattostr(round(Wert /1024 *100)/100) + ' KB/s';
old := MibRow.dwInOctets
end;
end;
end;
finally
FreeMem(IntfTable);
end;
end;
end.