要使用Printer.Orientation =2或1,必须将VB6的SP5装上,然后就可以了。 或都将下列代码放至一个模块里。然后在程序中要用到的地方按如下形式调用 ChgPrnOrient printer.devicename 2Option Explicit'**************************************************************** '*功能:提供打印机打印方向和纸张的函数 '*建议: '* 调用函数前应该先保存当前设置 '* 在输出打印数据后应该恢复到先前的设置 '*备注: '* 只对当前打印机操作 '* 对于打印机的指定将不在本功能模块中实现 '****************************************************************'*打印机的打印方向 Public Enum typeOrient Portrait = 1 Landscape = 2 End Enum '*Constants used in the DevMode structure Private Const CCHDEVICENAME = 32 Private Const CCHFORMNAME = 32'*Constants for NT security Private Const STANDARD_RIGHTS_REQUIRED = &HF0000 Private Const PRINTER_ACCESS_ADMINISTER = &H4 Private Const PRINTER_ACCESS_USE = &H8 Private Const PRINTER_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED Or PRINTER_ACCESS_ADMINISTER Or PRINTER_ACCESS_USE)'*Constants used to make changes to the values contained in the DevMode Private Const DM_MODIFY = 8 Private Const DM_COPY = 2 Private Const DM_DUPLEX = &H1000& Private Const DMDUP_SIMPLEX = 1 Private Const DMDUP_VERTICAL = 2 Private Const DMDUP_HORIZONTAL = 3Private 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 DM_PAPERWIDTH = &H8& Private Const DM_PAPERLENGTH = &H4&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 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'*------DECLARATIONS 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
Private Function mySetPrinter(prnName As String, _ Optional eOrientation As typeOrient = 0, _ Optional iDmpaper As Integer = 0, _ Optional iDmpaperLength As Single = 0, _ Optional iDmpaperWidth As Single = 0) _ As BooleanDim bDevMode() As Byte Dim bPrinterInfo2() As Byte Dim hPrinter As Long Dim lResult As Long Dim nSize As Long Dim sPrnName As StringDim dm As DEVMODE Dim olddm As DEVMODE Dim pd As PRINTER_DEFAULTS Dim pi2 As PRINTER_INFO_2 On Error GoTo err_proc
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
With dm If eOrientation <> 0 Then '*设置新的走向 .dmOrientation = eOrientation .dmFields = DM_ORIENTATION End If If iDmpaper <> 0 And iDmpaper <> vbPRPSUser Then '*设纸张大小 .dmPaperSize = iDmpaper .dmFields = DM_PAPERSIZE End If If iDmpaper = vbPRPSUser Then '*用户自定义 .dmFields = DM_PAPERLENGTH Or DM_PAPERWIDTH .dmPaperLength = iDmpaperLength .dmPaperWidth = iDmpaperWidth End If End With
Call ClosePrinter(hPrinter) mySetPrinter = True Else mySetPrinter = False End If
Exit Function
err_proc: mySetPrinter = False End Function '***************************************************************** '*名称:ChgPrnOrient '*功能:改变打印方向 '*输入参数: '* prnName --要设置的打印机名称 '* orient --方向 '*输出参数: '* 是否改变成功 '***************************************************************** Public Function ChgPrnOrient(prnName As String, _ orient As typeOrient) _ As Boolean
ChgPrnOrient = mySetPrinter(prnName, orient) End Function'***************************************************************** '*名称:ChgPageSize '*功能:改变打印纸张的大小 '*输入参数: '* orient --方向 '*输出参数: '* 是否改变成功 '***************************************************************** Public Function ChgPageSize(prnName As String, _ Optional pagesize As Integer = vbPRPSUser, _ Optional pagewidth As Single = 0, _ Optional pageheight As Single = 0) _ As Boolean
'*因为打印机以0.1mm单位,所以传过来的纸张大小应该 * 10 On Error GoTo err_proc
我关注这个问题很久了
Printer.Orientation =1(2)
我都试过了,不行啊!
那个什么API,你不说我怎么知道啊?
HELP!
或都将下列代码放至一个模块里。然后在程序中要用到的地方按如下形式调用
ChgPrnOrient printer.devicename 2Option Explicit'****************************************************************
'*功能:提供打印机打印方向和纸张的函数
'*建议:
'* 调用函数前应该先保存当前设置
'* 在输出打印数据后应该恢复到先前的设置
'*备注:
'* 只对当前打印机操作
'* 对于打印机的指定将不在本功能模块中实现
'****************************************************************'*打印机的打印方向
Public Enum typeOrient
Portrait = 1
Landscape = 2
End Enum
'*Constants used in the DevMode structure
Private Const CCHDEVICENAME = 32
Private Const CCHFORMNAME = 32'*Constants for NT security
Private Const STANDARD_RIGHTS_REQUIRED = &HF0000
Private Const PRINTER_ACCESS_ADMINISTER = &H4
Private Const PRINTER_ACCESS_USE = &H8
Private Const PRINTER_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED Or PRINTER_ACCESS_ADMINISTER Or PRINTER_ACCESS_USE)'*Constants used to make changes to the values contained in the DevMode
Private Const DM_MODIFY = 8
Private Const DM_COPY = 2
Private Const DM_DUPLEX = &H1000&
Private Const DMDUP_SIMPLEX = 1
Private Const DMDUP_VERTICAL = 2
Private Const DMDUP_HORIZONTAL = 3Private 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 DM_PAPERWIDTH = &H8&
Private Const DM_PAPERLENGTH = &H4&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 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'*------DECLARATIONS
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
Optional eOrientation As typeOrient = 0, _
Optional iDmpaper As Integer = 0, _
Optional iDmpaperLength As Single = 0, _
Optional iDmpaperWidth As Single = 0) _
As BooleanDim bDevMode() As Byte
Dim bPrinterInfo2() As Byte
Dim hPrinter As Long
Dim lResult As Long
Dim nSize As Long
Dim sPrnName As StringDim dm As DEVMODE
Dim olddm As DEVMODE
Dim pd As PRINTER_DEFAULTS
Dim pi2 As PRINTER_INFO_2 On Error GoTo err_proc
'*获取打印机的设备名称
sPrnName = prnName
'*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
If eOrientation <> 0 Then '*设置新的走向
.dmOrientation = eOrientation
.dmFields = DM_ORIENTATION
End If
If iDmpaper <> 0 And iDmpaper <> vbPRPSUser Then '*设纸张大小
.dmPaperSize = iDmpaper
.dmFields = DM_PAPERSIZE
End If
If iDmpaper = vbPRPSUser Then '*用户自定义
.dmFields = DM_PAPERLENGTH Or DM_PAPERWIDTH
.dmPaperLength = iDmpaperLength
.dmPaperWidth = iDmpaperWidth
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)
mySetPrinter = True
Else
mySetPrinter = False
End If
Exit Function
err_proc:
mySetPrinter = False
End Function
'*****************************************************************
'*名称:ChgPrnOrient
'*功能:改变打印方向
'*输入参数:
'* prnName --要设置的打印机名称
'* orient --方向
'*输出参数:
'* 是否改变成功
'*****************************************************************
Public Function ChgPrnOrient(prnName As String, _
orient As typeOrient) _
As Boolean
ChgPrnOrient = mySetPrinter(prnName, orient)
End Function'*****************************************************************
'*名称:ChgPageSize
'*功能:改变打印纸张的大小
'*输入参数:
'* orient --方向
'*输出参数:
'* 是否改变成功
'*****************************************************************
Public Function ChgPageSize(prnName As String, _
Optional pagesize As Integer = vbPRPSUser, _
Optional pagewidth As Single = 0, _
Optional pageheight As Single = 0) _
As Boolean
'*因为打印机以0.1mm单位,所以传过来的纸张大小应该 * 10
On Error GoTo err_proc
ChgPageSize = mySetPrinter(prnName, , pagesize, pagewidth * 10, pageheight * 10)
Exit Function
err_proc:
ChgPageSize = False
End Function