unit1.pas

《delphi 7.0_8.0课程设计与系统开发案例》随书代码

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ToolWin, ComCtrls, OleCtnrs, MPlayer, ExtCtrls,
  Buttons;

type
  TForm1 = class(TForm)
    CoolBar1: TCoolBar;
    CoolBar2: TCoolBar;
    Label1: TLabel;
    OleContainer1: TOleContainer;
    Label2: TLabel;
    RadioButton1: TRadioButton;
    RadioButton2: TRadioButton;
    RadioButton3: TRadioButton;
    RadioButton4: TRadioButton;
    RadioButton5: TRadioButton;
    RadioButton6: TRadioButton;
    MediaPlayer1: TMediaPlayer;
    Image1: TImage;
    SpeedButton1: TSpeedButton;
    StatusBar1: TStatusBar;
    SpeedButton2: TSpeedButton;
    OpenDialog1: TOpenDialog;
    procedure SpeedButton2Click(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
    procedure RadioButton1Click(Sender: TObject);
    procedure RadioButton2Click(Sender: TObject);
    procedure RadioButton3Click(Sender: TObject);
    procedure RadioButton4Click(Sender: TObject);
    procedure RadioButton5Click(Sender: TObject);
    procedure RadioButton6Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.SpeedButton2Click(Sender: TObject);
begin
close;
end;

procedure TForm1.SpeedButton1Click(Sender: TObject);
begin
opendialog1.execute;
if MEDIAPLAYER1.filename<>'' then
MEDIAPLAYER1.FileName:=opendialog1.filename;
if (RadioButton1.checked=false) and (RadioButton2.checked=false)and (RadioButton3.checked=false)and (RadioButton4.checked=false) and (RadioButton5.checked=false) and (RadioButton6.checked=false)  then
MEDIAPLAYER1.devicetype:=dtautoselect;
MEDIAPLAYER1.open;
end;

procedure TForm1.RadioButton1Click(Sender: TObject);
begin
MediaPlayer1.devicetype:=dtAutoSelect;
end;

procedure TForm1.RadioButton2Click(Sender: TObject);
begin
MediaPlayer1.devicetype:=dtCDAudio;
end;

procedure TForm1.RadioButton3Click(Sender: TObject);
begin
MediaPlayer1.devicetype:=dtAVIVideo;
end;

procedure TForm1.RadioButton4Click(Sender: TObject);
begin
MediaPlayer1.devicetype:=dtMMMovie;
end;

procedure TForm1.RadioButton5Click(Sender: TObject);
begin
MediaPlayer1.devicetype:=dtDigitalVideo;
end;

procedure TForm1.RadioButton6Click(Sender: TObject);
begin
MediaPlayer1.devicetype:=dtVCR;
end;

end.