请教各位如何设置纸张方向和大小？

[dong]

请问不用打印设置对话框，如何用代码对Data Report打印设置打印方向与大小，多谢！

[jing]

可以用API

Option Explicit
Public Enum PrinterOrientationConstants
OrientPortrait = 1
OrientLandscape = 2
End Enum
Private Type DEVMODE
dmDeviceName As String * 32
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 * 32
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 Long
DesiredAccess As Long
End Type
Private Type PRINTER_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 As Long
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 Const DM_IN_BUFFER = 8
Private Const DM_OUT_BUFFER = 2
Private Const DM_ORIENTATION = &H1

Private Const PRINTER_ACCESS_ADMINISTER = &H4
Private Const PRINTER_ACCESS_USE = &H8
Private Const STANDARD_RIGHTS_REQUIRED = &HF0000
Private Const PRINTER_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED Or _
PRINTER_ACCESS_ADMINISTER Or PRINTER_ACCESS_USE)

Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
(hpvDest As Any, hpvSource As Any, ByVal cbCopy As Long)

Private Declare Function OpenPrinter Lib "winspool.drv" Alias _
"OpenPrinterA" (ByVal pPrinterName As String, phPrinter As _
Long, pDefault As Any) As Long

Private Declare Function ClosePrinter Lib "winspool.drv" _
(ByVal hPrinter As Long) As Long

Private Declare Function DocumentProperties Lib "winspool.drv" _
Alias "DocumentPropertiesA" (ByVal hWnd As Long, ByVal hPrinter As Long, _
ByVal pDeviceName As String, pDevModeOutput As Any, pDevModeInput As Any, _
ByVal fMode As Long) As Long

Private Declare Function GetPrinter Lib "winspool.drv" _
Alias "GetPrinterA" (ByVal hPrinter As Long, ByVal Level As Long, _
pPrinter As Any, ByVal cbBuf As Long, pcbNeeded As Long) As Long

Private Declare Function SetPrinter Lib "winspool.drv" _
Alias "SetPrinterA" (ByVal hPrinter As Long, ByVal Level As Long, _
pPrinter As Any, ByVal Command As Long) As Long

Function SetDefaultPrinterOrientation(ByVal eOrientation As _
PrinterOrientationConstants) As Boolean

Dim bDevMode() As Byte
Dim bPrinterInfo2() As Byte
Dim hPrinter As Long
Dim lResult As Long
Dim nSize As Long
Dim sPrnName 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.
If OpenPrinter(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
Call DocumentProperties(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
.dmOrientation = eOrientation
.dmFields = DM_ORIENTATION
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
End If

End Function

[sunbn]

简单的说，编程调用打印机设置时，就有纸张的属性设置

[zzf]

VB中有Printer对象，对象中有属性可控制纸张的方向和大小