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  var
  Form1: TForm1;
  frequenz: integer;
  laenge: integer;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
laenge:=strtoint(edit2.Text);
frequenz:=strtoint(edit1.text);
Windows.Beep(frequenz, laenge);
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
Windows.Beep(0, 0);
end;

procedure TForm1.TrackBar2Change(Sender: TObject);
begin
edit2.Text:=inttostr(trackbar2.Position);
end;

procedure TForm1.TrackBar1Change(Sender: TObject);
begin
edit1.Text:=inttostr(trackbar1.Position);
laenge:=1;
frequenz:=strtoint(edit1.text);
Windows.Beep(frequenz, 1);
end;

procedure TForm1.Beenden1Click(Sender: TObject);
begin
application.Terminate;
end;