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Open/Close The CD Drive

'Add a module to your project (In the menu choose Project -> Add Module, Then click Open)
'Add 2 CommandButtons to your form (named Command1 and Command2).
'When you press the first button the CD drive will opened.
'When you press the second button the CD drive will closed.
'Insert this code to the module :

Declare Function mciSendString Lib "winmm.dll" Alias _
"mciSendStringA" (ByVal lpstrCommand As String, ByVal _
lpstrReturnString As String, ByVal uReturnLength As Long, _
ByVal hwndCallback As Long) As Long

'Insert the following code to your form:

Private Sub Command1_Click()
retvalue = mciSendString("set Cdaudio door open", returnstring, 127, 0)
End Sub

Private Sub Command2_Click()
retvalue = mciSendString("set Cdaudio door closed", returnstring, 127, 0)
End Sub

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