bofangqi.pas

来自「用delphi编写的视频播放器」· PAS 代码 · 共 60 行

unit bofangqi;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, StdCtrls, ExtCtrls, MPlayer, OleCtrls,
  RealAudioObjects_TLB;

type
  TForm1 = class(TForm)
    MediaPlayer1: TMediaPlayer;
    Panel1: TPanel;
    Button1: TButton;
    OpenDialog1: TOpenDialog;
    RealAudio1: TRealAudio;
    Panel2: TPanel;
    TrackBar1: TTrackBar;
    Label1: TLabel;
      procedure Button1Click(Sender: TObject);
    procedure TrackBar1Change(Sender: TObject);
    procedure MediaPlayer1Click(Sender: TObject; Button: TMPBtnType;
      var DoDefault: Boolean);
    procedure Panel1Click(Sender: TObject);

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

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
if Opendialog1.Execute then
self.MediaPlayer1.FileName:=Opendialog1.FileName;
self.MediaPlayer1.Display:=self.Panel1;
self.MediaPlayer1.Open;
end;

procedure TForm1.TrackBar1Change(Sender: TObject);
begin
realaudio1.SetVolume(trackbar1.Position);
end;

procedure TForm1.MediaPlayer1Click(Sender: TObject; Button: TMPBtnType;
  var DoDefault: Boolean);
begin
label1.Caption:=mediaplayer1.FileName;
mediaplayer1.Notify:=true;
mediaplayer1.DisplayRect:=panel1.ClientRect;
end;
end.