|
ndle to printer
Dim hPrtDC As Long '''' Handle to Printer DC
Dim PrinterName As String
Dim aDevMode() As Byte '''' Working DEVMODE
Dim FormSize As SIZEL
Dim tmpFormName As String
Dim isNT As Boolean
Dim PaperWidth As Long, PaperHeight As Long
''''在这里统一添加自定义纸张
Select Case FormName
Case "广东省发票"
With FormSize '''' Desired page size
.cx = 186000
.cy = 102000
End With
PaperWidth = 10544 ''''15.6cm
PaperHeight = 5784 ''''10.2cm
Case "80列报表"
With FormSize '''' Desired page size
.cx = 210000
.cy = 280000
End With
PaperWidth = 11904 ''''21cm
PaperHeight = 15872 ''''28cm
Case "40列报表"
With FormSize '''' Desired page size
.cx = 210000
.cy = 140000
End With
PaperWidth = 11904 ''''21cm
PaperHeight = 7936 ''''14cm
Case "20列报表"
With FormSize '''' Desired page size
.cx = 210000
.cy = 70000
End With
PaperWidth = 11904 ''''21cm
PaperHeight = 4008 ''''7cm
End Select
''''不是NT直接给Printer赋值得了
If Not IsNtOs Then
Printer.Width = PaperWidth
Printer.Height = PaperHeight
SelectForm = FORM_SELECTED
Exit Function
End If
PrinterName = Printer.DeviceName '''' Current printer
hPrtDC = Printer.hdc '''' hDC for current Printer
SelectForm = FORM_NOT_SELECTED '''' Set for failure unless reset in code.
'''' Get a handle to the printer.
If OpenPrinter(PrinterName, PrinterHandle, 0&) Then
'''' Retrieve the size of the DEVMODE.
nSize = DocumentProperties(MyhWnd, PrinterHandle, PrinterName, 0&, _
0&, 0&)
'''' Reserve memory for the actual size of the DEVMODE.
ReDim aDevMode(1 To nSize)
'''' Fill the DEVMODE from the printer.
nSize = DocumentProperties(MyhWnd, PrinterHandle, PrinterName, _
aDevMode(1), 0&, DM_OUT_BUFFER)
'''' Copy the Public (predefined) portion of the DEVMODE.
Call CopyMemory(pDevMode, aDevMode(1), Len(pDevMode))
'''' If FormName is "MyCustomForm", we must make sure it exists
'''' before using it. Otherwise, it came from our EnumForms list,
'''' and we do not need to check first. Note that we could have
'''' passed in a Flag instead of checking for a literal name.
tmpFormName = FormName
If GetFormName(PrinterHandle, FormSize, tmpFormName) = 0 Then
'''' Form not found - Either of the next 2 lines will work.
''''FormName = AddNewForm(PrinterHandle, FormSize, "MyCustomForm")
AddNewForm PrinterHandle, FormSize, FormName
If GetFormName(PrinterHandle, FormSize, FormName) = 0 Then
ClosePrinter (PrinterHandle)
SelectForm = FORM_NOT_SELECTED '''' Selection Failed!
Exit Function
Else
SelectForm = FORM_ADDED '''' Form Added, Selection succeeded!
End If
End If
'''' Change the appropriate member in the DevMode.
'''' In this case, you want to change the form name.
pDevMode.dmFormName = FormName & Chr(0) '''' Must be NULL terminated!
'''' Set the dmFields bit flag to indicate what you are changing.
pDevMode.dmFields = DM_FORMNAME
'''' Copy your changes back, then update DEVMODE.
Call CopyMemory(aDevMode(1), pDevMode, Len(pDevMode))
nSize = DocumentProperties(MyhWnd, PrinterHandle, PrinterName, _
aDevMode(1), aDevMode(1), DM_IN_BUFFER Or DM_OUT_BUFFER)
nSize = ResetDC(hPrtDC, aDevMode(1)) '''' Reset the DEVMODE for the DC.
'''' Close the handle when you are finished with it.
ClosePrinter (PrinterHandle)
'''' Selection Succeeded! But was Form Added?
If SelectForm <> FORM_ADDED Then SelectForm = FORM_SELECTED
Else
SelectForm = FORM_NOT_SELECTED '''' Selection Failed!
End If
End FunctionPublic Function GetFormName(ByVal PrinterHandle As Long, _
FormSize As SIZEL, FormName As String) As Integer
Dim NumForms As Long, I As Long
Dim FI1 As FORM_INFO_1
Dim aFI1() As FORM_INFO_1 '''' Working FI1 array
Dim Temp() As Byte '''' Temp FI1 array
Dim FormIndex As Integer
Dim BytesNeeded As Long
Dim RetVal As Long
FormName = vbNullString
FormIndex = 0
ReDim aFI1(1)
'''' First call retrieves the BytesNeeded.
RetVal = EnumForms(PrinterHandle, 1, aFI1(0), 0&, BytesNeeded, NumForms)
ReDim Temp(BytesNeeded)
ReDim aFI1(BytesNeeded / Len(FI1))
'''' Second call actually enumerates the supported forms.
RetVal = EnumForms(PrinterHandle, 1, Temp(0), BytesNeeded, BytesNeeded, _
NumForms)
Call CopyMemory(aFI1(0), Temp(0), BytesNeeded)
For I = 0 To NumForms - 1
With aFI1(I)
If .Size.cx = FormSize.cx And .Size.cy = FormSize.cy Then
'''' Found the desired form
FormName = PtrCtoVbString(.pName)
FormIndex = I + 1
Exit For
End If
End With
Next I
GetFormName = FormIndex '''' Returns non-zero when form is found.
End Function Public Function AddNewForm(PrinterHandle As Long, FormSize As SIZEL, _
FormName As String) As String
Dim FI1 As sFORM_INFO_1
Dim aFI1() As Byte
Dim RetVal As Long
With FI1
.Flags = 0
.pName = FormName
With .Size
.cx = FormSize.cx
&nb 上一页 [1] [2] [3] 下一页
没有相关教程
|
注：本站部分文章源于互联网，版权归原作者所有！如有侵权，请原作者与本站联系，本站将立即删除！ 本站文章除特别注明外均可转载，但需注明出处！ [MinTao学以致用网] 
