wav.~pas

本光盘是《Delphi 7应用教程》一书的配套光盘

unit WAV;

interface

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

type
  TForm1 = class(TForm)
    MediaPlayer1: TMediaPlayer;
    OpenDialog1: TOpenDialog;
    Button1: TButton;
    Button2: TButton;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
  Var
     Curdir:string;
begin
    GetDir(0,CurDir);
    MediaPlayer1.FileName :=CurDir+'\W1.wav';
    MediaPlayer1.Open ;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  OpenDialog1.Execute ;
  if Opendialog1.FileName='' then
        ShowMessage('你没有选择声音文件')
     else
        begin
          MediaPlayer1.Close;
          MediaPlayer1.FileName:=OpenDialog1.FileName ;
          MediaPlayer1.Open;
        end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
   MediaPlayer1.Play ;
end;

end.