调用Windows API函数播放声音

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, mmsystem;

type
TForm1 = class(TForm)
procedure FormShow(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
sndplaysound('',snd_async);
end;

procedure TForm1.FormShow(Sender: TObject);
begin
sndplaysound('C:\WINDOWS\Media\Windows XP 启动.wav',snd_async);
end;

end.