添加一个msFlexGrid到窗体中,改名fgd1,可以列出包括你要的纸张名称等参数,自己过滤吧Option Explicit
Private Const DC_MAXEXTENT = 5
Private Const DC_MINEXTENT = 4
Private Const DC_PAPERNAMES = 16
Private Const DC_PAPERS = 2
Private Const DC_PAPERSIZE = 3
Private Declare Function DeviceCapabilities Lib "winspool.drv" Alias "DeviceCapabilitiesA" (ByVal lpDeviceName As String, ByVal lpPort As String, ByVal iIndex As Long, lpOutput As Any, lpDevMode As Any) As Long
Private Type POINTS
x As Long
y As Long
End Type
Private Sub Form_Load()
Dim i As Long
With FGd1
.FormatString = "^纸张编号|^纸张名称|^纸张长度|^纸张宽度"
For i = 0 To .Cols - 1
.ColWidth(i) = 1700
Next i
.AllowUserResizing = flexResizeColumns
.Left = 0
.Width = Me.ScaleWidth
End With
lblPrinterName.Caption = Printer.DeviceName
GetPaperInfo
End Sub
Private Sub GetPaperInfo()
Dim i As Long, ret As Long
Dim Length As Integer, Width As Integer
Dim PaperNo() As Integer, PaperName() As String, PaperSize() As POINTS'支持最大打印纸:
ret = DeviceCapabilities(Printer.DeviceName, "LPT1", DC_MAXEXTENT, ByVal 0&, ByVal 0&)
Length = ret \ 65536
Width = ret - Length * 65536
lblMaxLength.Caption = Length
lblMaxWidth.Caption = Width'支持最小打印纸:
ret = DeviceCapabilities(Printer.DeviceName, "LPT1", DC_MINEXTENT, ByVal 0&, ByVal 0&)
Length = ret \ 65536
Width = ret - Length * 65536
lblMinLength.Caption = Length
lblMinWidth.Caption = Width'支持纸张种类数
ret = DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERS, ByVal 0&, ByVal 0&)'纸张编号
ReDim PaperNo(1 To ret) As Integer
Call DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERS, PaperNo(1), ByVal 0&)'纸张名称
Dim arrPageName() As Byte
Dim allNames As String
Dim lStart As Long, lEnd As Long
ReDim PaperName(1 To ret) As String
ReDim arrPageName(1 To ret * 64) As Byte
Call DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERNAMES, arrPageName(1), ByVal 0&)
allNames = StrConv(arrPageName, vbUnicode)
'loop through the string and search for the names of the papers
i = 1
Do
lEnd = InStr(lStart + 1, allNames, Chr$(0), vbBinaryCompare)
If (lEnd > 0) And (lEnd - lStart - 1 > 0) Then
PaperName(i) = Mid$(allNames, lStart + 1, lEnd - lStart - 1)
i = i + 1
End If
lStart = lEnd
Loop Until lEnd = 0'纸张尺寸ReDim PaperSize(1 To ret) As POINTS
Call DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)'显示在表格中
For i = 1 To ret
FGd1.AddItem PaperNo(i) & vbTab & PaperName(i) & vbTab & PaperSize(i).y & vbTab & PaperSize(i).x
Next iEnd Sub
Private Const DC_MAXEXTENT = 5
Private Const DC_MINEXTENT = 4
Private Const DC_PAPERNAMES = 16
Private Const DC_PAPERS = 2
Private Const DC_PAPERSIZE = 3
Private Declare Function DeviceCapabilities Lib "winspool.drv" Alias "DeviceCapabilitiesA" (ByVal lpDeviceName As String, ByVal lpPort As String, ByVal iIndex As Long, lpOutput As Any, lpDevMode As Any) As Long
Private Type POINTS
x As Long
y As Long
End Type
Private Sub Form_Load()
Dim i As Long
With FGd1
.FormatString = "^纸张编号|^纸张名称|^纸张长度|^纸张宽度"
For i = 0 To .Cols - 1
.ColWidth(i) = 1700
Next i
.AllowUserResizing = flexResizeColumns
.Left = 0
.Width = Me.ScaleWidth
End With
lblPrinterName.Caption = Printer.DeviceName
GetPaperInfo
End Sub
Private Sub GetPaperInfo()
Dim i As Long, ret As Long
Dim Length As Integer, Width As Integer
Dim PaperNo() As Integer, PaperName() As String, PaperSize() As POINTS'支持最大打印纸:
ret = DeviceCapabilities(Printer.DeviceName, "LPT1", DC_MAXEXTENT, ByVal 0&, ByVal 0&)
Length = ret \ 65536
Width = ret - Length * 65536
lblMaxLength.Caption = Length
lblMaxWidth.Caption = Width'支持最小打印纸:
ret = DeviceCapabilities(Printer.DeviceName, "LPT1", DC_MINEXTENT, ByVal 0&, ByVal 0&)
Length = ret \ 65536
Width = ret - Length * 65536
lblMinLength.Caption = Length
lblMinWidth.Caption = Width'支持纸张种类数
ret = DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERS, ByVal 0&, ByVal 0&)'纸张编号
ReDim PaperNo(1 To ret) As Integer
Call DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERS, PaperNo(1), ByVal 0&)'纸张名称
Dim arrPageName() As Byte
Dim allNames As String
Dim lStart As Long, lEnd As Long
ReDim PaperName(1 To ret) As String
ReDim arrPageName(1 To ret * 64) As Byte
Call DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERNAMES, arrPageName(1), ByVal 0&)
allNames = StrConv(arrPageName, vbUnicode)
'loop through the string and search for the names of the papers
i = 1
Do
lEnd = InStr(lStart + 1, allNames, Chr$(0), vbBinaryCompare)
If (lEnd > 0) And (lEnd - lStart - 1 > 0) Then
PaperName(i) = Mid$(allNames, lStart + 1, lEnd - lStart - 1)
i = i + 1
End If
lStart = lEnd
Loop Until lEnd = 0'纸张尺寸ReDim PaperSize(1 To ret) As POINTS
Call DeviceCapabilities(Printer.DeviceName, "LPT1", DC_PAPERSIZE, PaperSize(1), ByVal 0&)'显示在表格中
For i = 1 To ret
FGd1.AddItem PaperNo(i) & vbTab & PaperName(i) & vbTab & PaperSize(i).y & vbTab & PaperSize(i).x
Next iEnd Sub
解决方案 »
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