1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:

using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using Microsoft.Win32;

namespace CDOpen
{
    class Program
    {

        static void Main(string[] args)
        {
            CommandLineImput();
        }
        public static void CommandLineImput()
        {
            string InPut = string.Empty;

            Console.Write("> ");
            InPut = Console.ReadLine();

            switch (InPut.ToLower())
            {
                case "":
                    break;
                case "open":
                    api.mciSendString(@"set CDAudio door open", null, 256, 0);
                    CommandLineImput();
                    break;
                case "close":
                    api.mciSendString("set CDAudio door closed", null, 127, 0);
                    CommandLineImput();
                    break;
                default:
                    Console.WriteLine("Error: \"{0}\" ist falsch...!", InPut);
                    CommandLineImput();
                    break;
            }
        }

        public class api
        {
            // this api uesed to send string messege to media control interface decice (mci)
            // like The cd rom
            [DllImport("winmm.dll", EntryPoint = "mciSendStringA")]
            public static extern int mciSendString(string lpstrCommand, string lpstrReturnString, int uReturnLength, int hwndCallback);
        }
    }
}