[CSHARP]using System.Runtime.InteropServices; //using.. public static void Main( ) { int result = mciSendString ("set cdaudio door open", null, 0, IntPtr.Zero); result = mciSendString ("set cdaudio door closed", null, 0, IntPtr.Zero); {

[DllImport("winmm.dll", EntryPoint="mciSendStringA", CharSet=CharSet.Ansi)] protected static extern int mciSendString (string mciCommand, StringBuilder returnValue, int returnLength, IntPtr callback);[/CSHARP]