Private 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
'Теперь для открытия CD-ROM вызовите эту функцию с такими параметрами:
Call mciSendString("Set CDAudio Door Open Wait", 0&, 0&, 0&)
'а для ee закрытия:
Call mciSendString("Set CDAudio Door Closed Wait", 0&, 0&, 0&)
Option Explicit
Private Declare Function GetDriveType Lib "kernel32" Alias "GetDriveTypeA" (ByVal nDrive As String) As Long
Private Const DRIVE_FIXED = 3
Private Const DRIVE_CDROM = 5
Private Sub Form_Load()
Dim lngIndex As Integer, astrBuffer As String
For lngIndex = 97 To 122
astrBuffer = Chr(lngIndex) & ":"
Select Case GetDriveType(astrBuffer)
Case DRIVE_FIXED
List1.AddItem "Найден жесткий диск: " & astrBuffer
Case DRIVE_CDROM
List1.AddItem "Найден CD-дисковод: " & astrBuffer
End Select
Next lngIndex
End Sub
'Example by Howard Henry Schlunder
' This example requires one command button (Command1)
Private Declare Function GetVersion Lib "kernel32" () As Long
Private Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As Any, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long
Private Declare Function DeviceIoControl Lib "kernel32" (ByVal hDevice As Long, ByVal dwIoControlCode As Long, lpInBuffer As Any, ByVal nInBufferSize As Long, lpOutBuffer As Any, ByVal nOutBufferSize As Long, lpBytesReturned As Long, lpOverlapped As Any) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Const INVALID_HANDLE_VALUE = -1
Private Const OPEN_EXISTING = 3
Private Const FILE_FLAG_DELETE_ON_CLOSE = 67108864
Private Const GENERIC_READ = &H80000000
Private Const GENERIC_WRITE = &H40000000
Private Const IOCTL_STORAGE_EJECT_MEDIA = 2967560
Private Const VWIN32_DIOC_DOS_IOCTL = 1
Private Type DIOC_REGISTERS
reg_EBX As Long
reg_EDX As Long
reg_ECX As Long
reg_EAX As Long
reg_EDI As Long
reg_ESI As Long
reg_Flags As Long
End Type
Private Sub Command1_Click()
Dim hDrive As Long, DummyReturnedBytes As Long
Dim EjectDrive As String, DriveLetterAndColon As String
Dim RawStuff As DIOC_REGISTERS
EjectDrive = InputBox("Which drive shall we try to eject the media from?", "Eject Media")
If Len(EjectDrive) Then 'Confirm the user didn't cancel
DriveLetterAndColon = UCase(Left$(EjectDrive & ":", 2)) 'Make it all caps for easy interpretation
If GetVersion >= 0 Then 'We are running Windows NT/2000
hDrive = CreateFile("\\.\" & DriveLetterAndColon, GENERIC_READ Or GENERIC_WRITE, 0, ByVal 0, OPEN_EXISTING, 0, 0)
If hDrive <> INVALID_HANDLE_VALUE Then
'Eject media!
Call DeviceIoControl(hDrive, IOCTL_STORAGE_EJECT_MEDIA, 0, 0, 0, 0, DummyReturnedBytes, ByVal 0)
Call CloseHandle(hDrive) 'Clean up after ourselves
End If
Else 'We are running Win9x/Me
hDrive = CreateFile("\\.\VWIN32", 0, 0, ByVal 0, 0, FILE_FLAG_DELETE_ON_CLOSE, 0)
If hDrive <> INVALID_HANDLE_VALUE Then
'Setup our raw registers to use Interrupt 21h Function 440Dh Minor Code 49h
RawStuff.reg_EAX = &H440D 'The function to use
RawStuff.reg_EBX = Asc(DriveLetterAndColon) - Asc("A") + 1 'The drive to do it on
RawStuff.reg_ECX = &H49 Or &H800 'The minor code of the function in the low byte of the low word and the device category of 8 in the high byte of the low word
'Eject media!
Call DeviceIoControl(hDrive, VWIN32_DIOC_DOS_IOCTL, RawStuff, LenB(RawStuff), RawStuff, LenB(RawStuff), DummyReturnedBytes, ByVal 0)
Call CloseHandle(hDrive) 'Clean up after ourselves
End If
End If
End If
End Sub
Option Explicit
Private Declare Function GetDriveType Lib _
"kernel32" Alias "GetDriveTypeA" (ByVal _
nDrive As String) As Long
Private 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
Private Declare Function mciGetErrorString Lib "winmm.dll" Alias "mciGetErrorStringA" (ByVal dwError As Long, ByVal lpstrBuffer As String, ByVal uLength As Long) As Long
Private Const DRIVE_CDROM = 5
Private Sub ComAction_Click(Index As Integer)
Dim str As String * 255
Dim sRet As String * 128
Dim eRet As String * 128
Dim ret As Long
Dim sAlias As String
sAlias = "cd" & List1.List(List1.ListIndex)
str = "open " & List1.List(List1.ListIndex) & ": alias " & sAlias & " type CDAudio"
ret = mciSendString(str, sRet, 255, 0)
If Not ret = 0 Then
mciGetErrorString ret, eRet, 128
Debug.Print "err device: " & eRet
mciSendString "close " & sAlias, vbNullString, 0&, 0
Exit Sub
Else
Debug.Print "device: " & sRet
End If
If Index = 1 Then
'close
str = "set " & sAlias & " door closed"
ret = mciSendString(str, sRet, 255, 0)
If Not ret = 0 Then
mciGetErrorString ret, eRet, 128
Debug.Print "err close: " & eRet
mciSendString "close " & sAlias, vbNullString, 0&, 0
Exit Sub
Else
Debug.Print "close: " & sRet
End If
ElseIf Index = 0 Then
'open
str = "set " & sAlias & " door open"
ret = mciSendString(str, sRet, 255, 0)
If Not ret = 0 Then
mciGetErrorString ret, eRet, 128
Debug.Print "err open: " & eRet
mciSendString "close " & sAlias, vbNullString, 0&, 0
Exit Sub
Else
Debug.Print "open: " & sRet
End If
End If
mciSendString "close all", vbNullString, 0&, 0
End Sub
Sub Form_Load()
Dim s As Long
For s = Asc("A") To Asc("Z")
If GetDriveType(Chr$(s) & ":") = DRIVE_CDROM Then
List1.AddItem Chr$(s)
End If
Next s
End Sub
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