Posteo el resultado completo
Código Delphi
[-]
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ComCtrls, XPMan;
type
TForm1 = class(TForm)
ProgressBar1: TProgressBar;
Button1: TButton;
Button2: TButton;
XPManifest1: TXPManifest;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
public
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
const
PBS_MARQUEE = $08;
PBS_SETMARQUEE = (WM_USER + 10);
procedure TForm1.Button1Click(Sender: TObject);
begin
SendMessage(ProgressBar1.Handle, PBS_SETMARQUEE, 1, 200);
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
SendMessage(ProgressBar1.Handle, PBS_SETMARQUEE, 0, 200);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
SetWindowLong(ProgressBar1.Handle, GWL_STYLE, GetWindowLong(ProgressBar1.Handle, GWL_STYLE) or PBS_MARQUEE);
ProgressBar1.DoubleBuffered:=True;
end;