[2005] CD/DVD Eject using WMI

[sakeeb]

well, I am looking for the code to eject CD using WMI class. May be System.Management can do this but as I am extremely new to .NET I need ur help.

I have used mciSendMessage but it's giving me the error. However, I prefer to use System.Management namespace if it can possible thurgh it..

I am Using .NET 2005 ..

bye

[Atheist]

I use this when I want to eject the disc tray:

Private Declare Function mciSendString Lib "winmm.dll" Alias "mciSendStringA" _
      (ByVal lpstrCommand As String, _
      ByVal lpstrReturnString As String, _
      ByVal uReturnLength As Int32, _
      ByVal hwndCallback As Int32) As Int32
 
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        mciSendString("set CDAudio door open", Nothing, 127, 0)
    End Sub

not wmi but hey it works

[sakeeb]

Well It's working fine compare to my previous code..

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

btw, can u plz add comment so that i can understand the function..

Moreover, I have also found one link which seems to use WMI but i can't understand the code..

http://www.mredkj.com/netconversions/cdevents.html

If some one can explain it to me than it would be great..

[jo0ls]

The link is to detect when the tray has been ejected or loaded (propbably by detecting when media arrives.)

gigemboy shows how to eject a specific drive with mciSendString here:
http://www.vbforums.com/showthread.p...ighlight=eject
here's load/unload/lock/unlock by various methods:
http://www.vbforums.com/showthread.php?t=357496

Use MciSendstring, there is no method to eject using WMI.
Look up MCI in the msdn library...

[Coool]

GREAT dude. I am just looking for this ..