Delphi初浅入门笔记之九：多媒体编程二(媒体播放器控件篇)

媒体播放器控件

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Panel1: TPanel;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    OpenDialog1: TOpenDialog;
    MediaPlayer1: TMediaPlayer;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(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.Filter:='所有文件(*.*)|*.*|avi文件|*.avi';
openDialog1.FileName:='*.avi';
if opendialog1.Execute then
begin
    mediaplayer1.FileName:=opendialog1.FileName;
    mediaplayer1.Open;
end;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
mediaplayer1.Next;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
mediaplayer1.Back;
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
mediaplayer1.Pause;
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
mediaplayer1.Play;
end;

end.

源代码