[Ghoghnus]

این قطعه کد cd rom را باز و بسته مي كند

کد:

using System.Runtime.InteropServices;

using System.Text;

...

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);