unit1.pas

来自「《Delphi类库查询辞典》范例文件200个」· PAS 代码 · 共 52 行

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    MediaPlayer1: TMediaPlayer;
    Button1: TButton;
    OpenDialog1: TOpenDialog;
    procedure Button1Click(Sender: TObject);
    procedure BackClick(Sender: TObject);
    procedure ForwardClick(Sender: TObject);

  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  OpenDialog1.DefaultExt := 'AVI';
  OpenDialog1.Filename := '*.avi';
  if OpenDialog1.Execute then
  begin
    MediaPlayer1.Filename := OpenDialog1.Filename;
    MediaPlayer1.Open;
  end;
end;
procedure TForm1.BackClick(Sender: TObject);
begin
  MediaPlayer1.Back;
end;
procedure TForm1.ForwardClick(Sender: TObject);
begin
  MediaPlayer1.Next;
end;


end.