Option Explicit
Public EnumPrinterOrientationConstants
OrientPortrait = 2
OrientLandscape = 1
End Enum
'Printer.PaperSize = vbPRPSA3
Private Type DEVMODE
dmDeviceName As String *32
dmSpecVersion As Integer
dmDriverVersion AsInteger
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 AsInteger
dmPrintQuality AsInteger
dmColor As Integer
dmDuplex As Integer
dmYResolution As Integer
dmTTOption As Integer
dmCollate As Integer
dmFormName As String * 32
dmUnusedPadding AsInteger
dmBitsPerPel As Integer
dmPelsWidth As Long
dmPelsHeight As Long
dmDisplayFlags As Long
dmDisplayFrequency AsLong
End Type
Private TypePRINTER_DEFAULTS
pDataType As String
pDevMode As Long
DesiredAccess As Long
End Type
Private TypePRINTER_INFO_2
pServerName As Long
pPrinterName As Long
pShareName As Long
pPortName As Long
pDriverName As Long
pComment As Long
pLocation As Long
pDevMode As Long
pSepFile As Long
pPrintProcessor As Long
pDataType As Long
pParameters As Long
pSecurityDescriptor AsLong
Attributes As Long
Priority As Long
DefaultPriority As Long
StartTime As Long
UntilTime As Long
Status As Long
cJobs As Long
AveragePPM As Long
End Type
Private ConstDC_PAPERNAMES = 16
Private Const DC_PAPERS =2
Private Const DC_PAPERSIZE= 3
Private Const DM_IN_BUFFER= 8
Private ConstDM_OUT_BUFFER = 2
Private ConstDM_ORIENTATION = &H1
Private Const DM_PAPERSIZE= &H2&
Private Const DMPAPER_A3 =8 ' A3 297 x 420 mm
Private Const DMPAPER_A4 =9 ' A4 210 x 297 mm
Private ConstPRINTER_ACCESS_ADMINISTER = &H4
Private ConstPRINTER_ACCESS_USE = &H8
Private ConstSTANDARD_RIGHTS_REQUIRED = &HF0000
Private ConstPRINTER_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED Or _
PRINTER_ACCESS_ADMINISTER OrPRINTER_ACCESS_USE)
Private Declare SubCopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
(hpvDest AsAny, hpvSource As Any, ByVal cbCopy As Long)
Private Declare FunctionOpenPrinter Lib "winspool.drv" Alias _
"OpenPrinterA" (ByVal pPrinterName As String,phPrinter As _
Long,pDefault As Any) As Long
Private Declare FunctionClosePrinter Lib "winspool.drv" _
(ByValhPrinter As Long) As Long
Private Declare FunctionDocumentProperties Lib "winspool.drv" _
Alias"DocumentPropertiesA" (ByVal hwnd As Long, ByVal hPrinter As Long,_
ByValpDeviceName As String, pDevModeOutput As Any, pDevModeInput As Any,_
ByVal fModeAs Long) As Long
Private Declare FunctionGetPrinter Lib "winspool.drv" _
Alias"GetPrinterA" (ByVal hPrinter As Long, ByVal Level As Long, _
pPrinter AsAny, ByVal cbBuf As Long, pcbNeeded As Long) As Long
Private Declare FunctionSetPrinter Lib "winspool.drv" _
Alias"SetPrinterA" (ByVal hPrinter As Long, ByVal Level As Long, _
pPrinter AsAny, ByVal Command As Long) As Long
Private Declare FunctionDeviceCapabilities Lib "winspool.drv" _
Alias"DeviceCapabilitiesA" (ByVal lpDeviceName As String, ByVal lpPortAs String, _
ByValiIndex As Long, ByVal lpOutput As String, lpDevMode As DEVMODE) AsLong
FunctionSetDefaultPrinterOrientation(ByVal eOrientation As _
PrinterOrientationConstants, ByVal strPaperSizeAs String) As Boolean
DimbDevMode() As Byte
DimbPrinterInfo2() As Byte
DimhPrinter As Long
Dim lResult As Long
Dim nSize As Long
DimsPrnName As String
Dim dm As DEVMODE
Dim pd As PRINTER_DEFAULTS
Dim pi2 As PRINTER_INFO_2
' Get device name of default printer
sPrnName =Printer.DeviceName
' PRINTER_ALL_ACCESS required under
' NT, because we're going to call
' SetPrinter
pd.DesiredAccess = PRINTER_ALL_ACCESS
' Get a handle to the printer.
IfOpenPrinter(sPrnName, hPrinter, pd) Then
' Get number of bytes requires for
' PRINTER_INFO_2 structure
Call GetPrinter(hPrinter, 2&,0&, 0&, nSize)
' Create a buffer of the required size
ReDim bPrinterInfo2(1 To nSize) As Byte
' Fill buffer with structure
lResult = GetPrinter(hPrinter, 2,bPrinterInfo2(1), _
nSize, nSize)
' Copy fixed portion of structure
' into VB Type variable
Call CopyMemory(pi2, bPrinterInfo2(1),Len(pi2))
' Get number of bytes requires for
' DEVMODE structure
nSize = DocumentProperties(0&,hPrinter, sPrnName, _
0&,0&, 0)
' Create a buffer of the required size
ReDim bDevMode(1 To nSize)
' If PRINTER_INFO_2 points to a DEVMODE
' structure, copy it into our buffer
If pi2.pDevMode Then
Call CopyMemory(bDevMode(1),ByVal pi2.pDevMode, Len(dm))
Else
' Otherwise, call DocumentProperties
' to get a DEVMODE structure
CallDocumentProperties(0&, hPrinter, sPrnName, _
bDevMode(1), 0&,DM_OUT_BUFFER)
End If
' Copy fixed portion of structure
' into VB Type variable
Call CopyMemory(dm, bDevMode(1), Len(dm))
With dm
' Set new orientation
Select Case strPaperSize
Case"A3"
.dmPaperSize = DMPAPER_A3
Case"A4"
.dmPaperSize = DMPAPER_A4
End Select
.dmOrientation =eOrientation
.dmFields = DM_ORIENTATION +DM_PAPERSIZE
End With
' Copy our Type back into buffer
Call CopyMemory(bDevMode(1), dm, Len(dm))
' Set new orientation
Call DocumentProperties(0&,hPrinter, sPrnName, _
bDevMode(1), bDevMode(1),DM_IN_BUFFER Or _
DM_OUT_BUFFER)
' Point PRINTER_INFO_2 at our
' modified DEVMODE
pi2.pDevMode = VarPtr(bDevMode(1))
' Set new orientation system-wide
lResult = SetPrinter(hPrinter, 2, pi2,0&)
' Clean up and exit
Call ClosePrinter(hPrinter)
SetDefaultPrinterOrientation = True
Else
SetDefaultPrinterOrientation = False
EndIf
End Function
接著 在報表的設(shè)計器中 Initialize() 方法中添加調(diào)用方法
