1   
2   //---------------------------------------------------------------------------
3   
4   #include <vcl.h>
5   #include <MMSystem.hpp>
6   #pragma hdrstop
7   
8   #include "Unit1.h"
9   //---------------------------------------------------------------------------
10  #pragma package(smart_init)
11  #pragma resource "*.dfm"
12  TForm1 *Form1;
13  //---------------------------------------------------------------------------
14  __fastcall TForm1::TForm1(TComponent* Owner)
15          : TForm(Owner)
16  {
17  }
18  //---------------------------------------------------------------------------
19  
20  
21  void __fastcall TForm1::Button1Click(TObject *Sender)
22  {
23  // open the CD tray
24  mciSendString("Set cdaudio door open wait", NULL, 0, 0);
25  }
26  //---------------------------------------------------------------------------
27  void __fastcall TForm1::Button2Click(TObject *Sender)
28  {
29   // close the CD tray
30    mciSendString("Set cdaudio door closed wait", NULL, 0, 0);
31  }
32  //---------------------------------------------------------------------------