1   
2   unit Unit1;
3   
4   interface
5   
6   uses
7     Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
8     Dialogs, StdCtrls, mmsystem;
9   
10  type
11    TForm1 = class(TForm)
12      Button1: TButton;
13      procedure Button1Click(Sender: TObject);
14    private
15      { Private declarations }
16    public
17      { Public declarations }
18    end;
19  
20  var
21    Form1: TForm1;
22  
23  implementation
24  
25  {$R *.dfm}
26  procedure PlayWinSound(SoundKeyName: string);
27  begin
28  
29   PlaySound(PChar(SoundKeyName), 0, SND_APPLICATION or SND_NODEFAULT or
30                                     SND_ASYNC or SND_NOWAIT);
31  end;
32  
33  procedure TForm1.Button1Click(Sender: TObject);
34  begin
35  PlayWinSound('SystemStart');
36  
37  { Here is a list of some system sounds
38     SystemStart
39     SystemQuestion
40     SystemHand
41     SystemExclamation
42     SystemExit
43  }
44  end;
45  
46  end.