Scan image in vba with cannon scanner not work - vba

Question

I have a vba code that scan image from scanner , the code works and doesnt have any problem with type hp an brother scanner but when I used it with canon can not find the scanner and send message no wia device. How can solve this problem
Private Sub Command10_Click()
Const wiaFormatJPEG = "{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}"
On Error GoTo Handle_Err
Dim Dialog1 As New WIA.CommonDialog, DPI As Integer, PP As Integer, l As Integer
Dim Scanner As WIA.Device
Dim img As WIA.ImageFile
Dim intPages As Integer
Dim strFileJPG As String
Dim blnContScan As Boolean ' to activate the scanner to start scan
Dim ContScan As String 'msgbox to chk if more pages are to be scanned
Dim strFilePDF As String
Dim RptName As String
Dim strProcName As String
strProcName = "ScanDocs"
DoCmd.SetWarnings False
DoCmd.RunSQL "delete from scantemp"
DoCmd.SetWarnings False
blnContScan = True
intPages = 0
Do While blnContScan = True
DPI = 200
PP = 1 'No of pages
Set Scanner = Dialog1.ShowSelectDevice(WIA.WiaDeviceType.ScannerDeviceType, True, False)
Set img = Dialog1.ShowTransfer(Scanner.Items(1), wiaFormatJPEG, True)
strFileJPG = ""
intPages = intPages + 1
strFileJPG = "\\User-pc\saveimage\" & num & Trim(str(intPages)) & ".jpg"
img.SaveFile (strFileJPG)
DoCmd.RunSQL "insert into scantemp (picture) values ('" & strFileJPG & "')"
DoCmd.SetWarnings False
Set Scanner = Nothing
Set img = Nothing
' strFileJPG = ""
'Prompt user if there are additional pages to scan
ContScan = MsgBox("?save another page ", vbQuestion + vbYesNoCancel)
If ContScan = vbNo Then
blnContScan = False
ElseIf ContScan = vbCancel Then
DoCmd.RunSQL "delete from scantemp where picture = '" & strFileJPG & "'"
End If
'''''''''''''''
Loop
Dim Image_Path As String
GoTo StartPDFConversion
StartPDFConversion:
Dim s As String
strFilePDF = "\\User-pc\saveimage\" & (num) & ".pdf"
RptName = "rptScan"
DoCmd.OpenReport RptName, acViewReport, , , acHidden
DoCmd.Close acReport, RptName, acSaveYes
DoCmd.OutputTo acOutputReport, RptName, acFormatPDF, strFilePDF
Me.imgp = strFilePDF
DoCmd.RunSQL "delete from scantemp" 'delete all data from table scantemp after converted it to pdf
'/*******************************\
'/********************************************\
Handle_Exit:
Exit Sub
Handle_Err:
Select Case Err.Number
Case 2501
Resume Handle_Exit
Case Else
MsgBox "the." & vbCrLf & vbCrLf & _
"In Function:" & vbTab & strProcName & vbCrLf & _
"Err Number: " & vbTab & Err.Number & vbCrLf & _
"Description: " & vbTab & Err.Description, 0, _
"Error in " & Chr$(34) & strProcName & Chr$(34)
Resume Handle_Exit
End Select
Exit Sub
End Sub

Answer 1

Option Compare Database
Private Declare Function TWAIN_AcquireToFilename Lib "TWAIN32d.DLL" (ByVal hwndApp As Long, ByVal bmpFileName As String) As Integer
Private Declare Function TWAIN_IsAvailable Lib "TWAIN32d.DLL" () As Long
Private Declare Function TWAIN_SelectImageSource Lib "TWAIN32d.DLL" (ByVal hwndApp As Long) As Long
Private Sub cmdScan_Click()
Dim Ret As Long, PictureFile As String
Dim intPages As Integer
Dim blnContScan As Boolean
Dim ContScan As String 'msgbox to chk if more pages are to be scanned
blnContScan = True
intPages = 0
Do While blnContScan = True
DPI = 200
PP = 1 'No of pages
intPages = intPages + 1
PictureFile = CurrentProject.Path & "\" & myfolder & "\" & Me.number & Trim(Str(intPages)) & ".jpg"
Ret = TWAIN_AcquireToFilename(Me.hwnd, PictureFile)
ContScan = MsgBox("? ÍÝÙ ÕæÑÉ ÇÎÑì ", vbQuestion + vbYesNo, "ÊäÈíÉ")
If ContScan = vbNo Then
blnContScan = False
End If
Loop