Control the opening, close

xiaoxiao2021-03-06  22

'**************************' Controls the opening of the CD-ROM drive, Guan BY: Free Pentium (WGSCD) '******* ******************** Imports Microsoft.VisualBasic.comPatibility

Private Declare Function CDdoor Lib "winmm.dll" Alias ​​"mciSendStringA" (ByVal lpstrCommand As String, ByVal lpstrReturnString As String, ByVal uReturnLength As Integer, ByVal hwndCallback As Integer) As Integer Private Sub Command1_Click (ByVal eventSender As System.Object, ByVal eventArgs As system.eventargs) Handles Command1.click

'If turned off, then the button is made to change if cdopen = false kil cddoor ("set cdaudio door open", 0, 0, 0) cdopen = true command1.text = "Click to close the CDD" Else' Otherwise close Call Cddoor ("SET CDAUDIO DOOR CLOSED", 0, 0, 0) cdopen = false Command1.text = "Click to open the CD drive" end if

End Sub 'WGSCD 2004-11-1' The syntax referenced is' Call CDDoor ("Set CDAudio Door Closed", 0, 0, 0) 'to close the light-drive gate' Call Cddoor ("Set CDAudio Door Open", 0, 0, 0) 'to open the light-drive gate DIM CDOPEN AS BOOLEAN

Private Sub Form1_Load (Byval Sender As System.Object, Byval E AS System.EventArgs) Handles mybase.load cdopen = false End Sub

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