unit1.pas

delphi写的光驱软开关

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  i : Bool=false;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  if i then
  begin
    mciSendString('Set cdaudio door closed wait',nil,0,handle);
    i:=false;
  end
  else
  begin
    mciSendString('Set cdaudio door open wait',nil,0,handle);
    i:=true;
  end;
end;

end.