main.pas

来自「一个简单而使用的CD播放器,是从书上看来的.与大家分享」· PAS 代码 · 共 48 行

unit Main;

interface

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

type
  TMainForm = class(TForm)
    MediaPlayer1: TMediaPlayer;
    OpenDialog1: TOpenDialog;
    Button1: TButton;
    Panel1: TPanel;
    procedure Button1Click(Sender: TObject);
    procedure MediaPlayer1Notify(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  MainForm: TMainForm;

implementation

{$R *.DFM}

procedure TMainForm.Button1Click(Sender: TObject);
begin
  if OpenDialog1.Execute then
    with MediaPlayer1 do
    begin
      Filename := OpenDialog1.Filename;
      Open;
      DisplayRect := Rect(0, 0, Panel1.Width, Panel1.Height);
      Notify := True;
    end;
end;

procedure TMainForm.MediaPlayer1Notify(Sender: TObject);
begin
  MessageDlg('Media control method executed', mtInformation, [mbOk], 0);
end;

end.