Cd-Rom Opening and Closing (C#.net)

Cd-Rom Opening And Closing:

The following program shows you how to open and close the cd-rom.


Code

using System.Runtime.InteropServices;

[DllImport("winmm.dll",EntryPoint="mciSendStringA",

 ExactSpelling=true, CharSet=CharSet.Ansi, SetLastError=true)]

                    

public static extern long mciSendString(string lpCommandString, string lpReturnString, long uReturnLength, long hwndCallback);

               

public void btnOpen_Click(System.Object sender, System.EventArgs e)

{

       mciSendString("set CDAudio door open", "", 0, 0);

}

             

public void btnClose_Click(System.Object sender, System.EventArgs e)

{

       mciSendString("set CDAudio door closed", "", 0, 0);

}