各位好,请大家帮忙!
我现在需要用190(宽度)*140(高度)的纸张进行针式打印,报表设计器用的是水晶报告。但是我在自定义打印机高度和宽度的时候,总会变成140(宽度)*190(高度)的设置(也就是说,宽度的值总是小于高度的值),请问该如何解决这个问题?如何能在水晶报告中随心所欲的设置纸张打印的高度和宽度?
我现在需要用190(宽度)*140(高度)的纸张进行针式打印,报表设计器用的是水晶报告。但是我在自定义打印机高度和宽度的时候,总会变成140(宽度)*190(高度)的设置(也就是说,宽度的值总是小于高度的值),请问该如何解决这个问题?如何能在水晶报告中随心所欲的设置纸张打印的高度和宽度?
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Public Enum PrinterOrientationConstants
OrientPortrait = 1 '竖打
OrientLandscape = 2 '横打
End Enum'打印机设置结构
Private Type DEVMODE
dmDeviceName As String * 32 '打印机名
dmSpecVersion As Integer 'DEVMODE 的版本
dmDriverVersion As Integer '打印机驱动程序的版本
dmSize As Integer 'DEVMODE结构的总称度总要
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 TypePrivate Type PRINTER_DEFAULTS
pDatatype As String
pDevMode As Long
DesiredAccess As Long
End TypePrivate 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'*******************'
' iDmpaper值 纸张 '
' 9 A4
' 11 A5 '
' 13 B5 '
'256 自定义
'*******************'Private Const DM_IN_BUFFER As Long = 8
Private Const DM_OUT_BUFFER As Long = 2
Private Const DM_ORIENTATION As Long = &H1
Private Const DM_PAPERSIZE = &H2&Private Const PRINTER_ACCESS_ADMINISTER As Long = &H4
Private Const PRINTER_ACCESS_USE As Long = &H8
Private Const STANDARD_RIGHTS_REQUIRED As Long = &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 LongPrivate Declare Function ClosePrinter Lib "winspool.drv" _
(ByVal hPrinter As Long) As LongPrivate 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 LongPrivate 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 _
LongPrivate 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'在打印或预览之前直接调用SetDefaultPrinterOrientation 打印走向常数。注意:红色注释部分用于改变纸张的大小。
Public Function SetDefaultPrinterOrientation(ByVal eOrientation As _
PrinterOrientationConstants, iDmpaper As Integer, Height As Integer, Width As Integer) 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 olddm As DEVMODE
Dim pd As PRINTER_DEFAULTS
Dim pi2 As PRINTER_INFO_2 ' 获取默认打印机的设备名称
sPrnName = Printer.DeviceName
' 由于要调用SetPrinter,所以
' 如果是在NT下就要求PRINTER_ALL_ACCESS
pd.DesiredAccess = PRINTER_ALL_ACCESS ' 获取打印机句柄
If OpenPrinter(sPrnName, hPrinter, pd) Then
' 获取PRINTER_INFO_2结构要求的字节数 Call GetPrinter(hPrinter, 2&, 0&, 0&, nSize)
ReDim bPrinterInfo2(1 To nSize) As Byte
lResult = GetPrinter(hPrinter, 2, bPrinterInfo2(1), nSize, nSize)
Call CopyMemory(pi2, bPrinterInfo2(1), Len(pi2))
nSize = DocumentProperties(0&, hPrinter, sPrnName, 0&, 0&, 0)
ReDim bDevMode(1 To nSize)
If pi2.pDevMode Then
Call CopyMemory(bDevMode(1), ByVal pi2.pDevMode, Len(dm))
Else
Call DocumentProperties(0&, hPrinter, sPrnName, bDevMode(1), 0&, DM_OUT_BUFFER)
End If
Call CopyMemory(dm, bDevMode(1), Len(dm))
Call CopyMemory(olddm, bDevMode(1), Len(olddm))
With dm
' 设置新的走向
.dmOrientation = eOrientation
'.dmFields = DM_ORIENTATION
.dmPaperSize = iDmpaper '将纸张大小设为iDmpaper,请自行更改所需大小
.dmFields = DM_PAPERSIZE '必须,否则无法设置纸张大小
If Height > 0 And Width > 0 Then‘0为不用
.dmPaperLength = Height
.dmPaperWidth = Width
End If
End With
Call CopyMemory(bDevMode(1), dm, Len(dm)) Call DocumentProperties(0&, hPrinter, sPrnName, _
bDevMode(1), bDevMode(1), DM_IN_BUFFER Or _
DM_OUT_BUFFER)
pi2.pDevMode = VarPtr(bDevMode(1))
lResult = SetPrinter(hPrinter, 2, pi2, 0&)
Call ClosePrinter(hPrinter)
SetDefaultPrinterOrientation = True
Else
SetDefaultPrinterOrientation = False
End IfEnd Function