VCL Delphi

Title: create a TProgressBar in a TListView column?
procedure TForm1.Button1Click(Sender: TObject);
var
r: TRect;
pb: TProgressBar;
begin
Listview1.Columns.Add.Width := 100;
Listview1.Columns.Add.Width := 200;
Listview1.ViewStyle := vsReport;
Listview1.Items.Add.Caption := 'Text';
r := Listview1.Items[0].DisplayRect(drBounds);
r.Left := r.Left + Listview1.columns[0].Width;
r.Right := r.Left + Listview1.columns[1].Width;
pb := TProgressBar.Create(Self);
pb.Parent := Listview1;
pb.BoundsRect := r;
pb.Position := 30;
Listview1.Items[0].Data := pb;
end;
// Change the ProgressBar Position
// ProgressBar Position ändern
procedure TForm1.Button2Click(Sender: TObject);
var
pb: TProgressBar;
begin
pb := TProgressBar(Listview1.Items[0].Data);
pb.StepIt;
end;