using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace cdopen
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }


        [DllImport("winmm.dll", EntryPoint = "mciSendStringA")]
        public static extern void mciSendStringA(string lpstrCommand, string lpstrReturnString, long uReturnLength, long hwndCallback);


       

        private void timer1_Tick(object sender, EventArgs e)
        {
           
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            string rt = "";
            { mciSendStringA("set CDAudio door open", rt, 127, 0); }

           { mciSendStringA("set CDAudio door closed", rt, 127, 0); }
        }
    }
}