check if printer can print vb6

Mark Malvar answered on November 14, 2022 Popularity 1/10 Helpfulness 1/10

answer check if printer can print vb6

check if printer can print vb6

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Private Const CCHDEVICENAME = 32
Private Const CCHFORMNAME = 32
Private Type DEVMODE
    dmDeviceName As String * CCHDEVICENAME
    dmSpecVersion As Integer
    dmDriverVersion As Integer
    dmSize As Integer
    dmDriverExtra As Integer
    dmFields As Long
    dmOrientation As Integer
    dmPaperSize As Integer
    dmPaperLength As Integer
    dmPaperWidth As Integer
    dmScale As Integer
    dmCopies As Integer
    dmDefaultSource As Integer
    dmPrintQuality As Integer
    dmColor As Integer
    dmDuplex As Integer
    dmYResolution As Integer
    dmTTOption As Integer
    dmCollate As Integer
    dmFormName As String * CCHFORMNAME
    dmUnusedPadding As Integer
    dmBitsPerPel As Integer
    dmPelsWidth As Long
    dmPelsHeight As Long
    dmDisplayFlags As Long
    dmDisplayFrequency As Long
End Type
 
Private Type PRINTER_DEFAULTS
  pDatatype As String
  pDevMode As DEVMODE
  DesiredAccess As Long
End Type
Public Enum Printer_Status
   PRINTER_STATUS_READY = &H0
   PRINTER_STATUS_PAUSED = &H1
   PRINTER_STATUS_ERROR = &H2
   PRINTER_STATUS_PENDING_DELETION = &H4
   PRINTER_STATUS_PAPER_JAM = &H8
   PRINTER_STATUS_PAPER_OUT = &H10
   PRINTER_STATUS_MANUAL_FEED = &H20
   PRINTER_STATUS_PAPER_PROBLEM = &H40
   PRINTER_STATUS_OFFLINE = &H80
   PRINTER_STATUS_IO_ACTIVE = &H100
   PRINTER_STATUS_BUSY = &H200
   PRINTER_STATUS_PRINTING = &H400
   PRINTER_STATUS_OUTPUT_BIN_FULL = &H800
   PRINTER_STATUS_NOT_AVAILABLE = &H1000
   PRINTER_STATUS_WAITING = &H2000
   PRINTER_STATUS_PROCESSING = &H4000
   PRINTER_STATUS_INITIALIZING = &H8000
   PRINTER_STATUS_WARMING_UP = &H10000
   PRINTER_STATUS_TONER_LOW = &H20000
   PRINTER_STATUS_NO_TONER = &H40000
   PRINTER_STATUS_PAGE_PUNT = &H80000
   PRINTER_STATUS_USER_INTERVENTION = &H100000
   PRINTER_STATUS_OUT_OF_MEMORY = &H200000
   PRINTER_STATUS_DOOR_OPEN = &H400000
   PRINTER_STATUS_SERVER_UNKNOWN = &H800000
   PRINTER_STATUS_POWER_SAVE = &H1000000
End Enum
Private Declare Function OpenPrinter Lib "winspool.drv" Alias "OpenPrinterA" (ByVal pPrinterName As String, phPrinter As Long, pDefault As PRINTER_DEFAULTS) As Long
Private Declare Function GetPrinter Lib "winspool.drv" Alias "GetPrinterA" (ByVal hPrinter As Long, ByVal Level As Long, buffer As Long, ByVal pbSize As Long, pbSizeNeeded As Long) As Long
Private Declare Function ClosePrinter Lib "winspool.drv" (ByVal hPrinter As Long) As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private Declare Function IsBadStringPtrByLong Lib "kernel32" Alias "IsBadStringPtrA" (ByVal lpsz As Long, ByVal ucchMax As Long) As Long
 
Private Sub Form_Load()
    Dim SizeNeeded As Long, buffer() As Long
    Dim pDef As PRINTER_DEFAULTS
    'Get a handle to the printer
    lret = OpenPrinter(Printer.DeviceName, mhPrinter, pDef)
    'Initialize the buffer
    ReDim Preserve buffer(0 To 0) As Long
    'Retrieve the required size (in bytes)
    lret = GetPrinter(mhPrinter, 2, buffer(0), UBound(buffer), SizeNeeded)
    'Resize the buffer... Note that a Long is four bytes
    ReDim Preserve buffer(0 To (SizeNeeded / 4) + 3) As Long
    'Retrieve the Printer information
    lret = GetPrinter(mhPrinter, 2, buffer(0), UBound(buffer) * 4, SizeNeeded)
    'The data stored in 'buffer' corresponds with the data of a PRINTER_INFO_2 structure
    ClosePrinter mhPrinter
    'Show the data
    
    PrintData "status ", GetPrinterStatus((buffer(18)))
    Unload Me
End Sub
Sub PrintData(Name As String, Data As String)
    If LenB(Data) > 0 Then
        Debug.Print Name + ": " + Data
    End If
End Sub
 
Private Function GetPrinterStatus(lngStatus As Long) As String
    
    
    Select Case lngStatus
    
        Case Printer_Status.PRINTER_STATUS_BUSY
            MsgBox "busy"
            
        Case Printer_Status.PRINTER_STATUS_DOOR_OPEN
            MsgBox "door open"
        Case Printer_Status.PRINTER_STATUS_ERROR
            MsgBox "error"
        Case Printer_Status.PRINTER_STATUS_INITIALIZING
            MsgBox "initialising"
        Case Printer_Status.PRINTER_STATUS_IO_ACTIVE
            MsgBox "io active"
        Case Printer_Status.PRINTER_STATUS_MANUAL_FEED
            MsgBox "manual feed"
        Case Printer_Status.PRINTER_STATUS_NO_TONER
            'and many more you can add
        Case Printer_Status.PRINTER_STATUS_PAUSED
        
        Case Printer_Status.PRINTER_STATUS_READY
            MsgBox "ready"
    End Select
End Function

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Source: www.vbforums.com

Tags: vb6 vba

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Contributed on Nov 14 2022

Mark Malvar

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check if printer can print vb6

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