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我在尝试允许用户设置报告的边距时遇到了很糟糕的情况。现在我对它进行了硬编码,但我更愿意在运行时设置它们,以便可以更改它们。我试过这个:
Private Sub rotHCReport_BeginPrint(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.BeginPrint
Me.OriginAtMargins = True
Me.DefaultPageSettings.Margins = New Margins(25, 25, 25, 25)
End Sub
Private Sub rotHCReport_BeginPrint(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.BeginPrint
Me.OriginAtMargins = True
Me.DefaultPageSettings.Margins = New Margins(20, 20, 23, 23)
End Sub
Private Sub rotHCReport_BeginPrint(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.BeginPrint
Me.OriginAtMargins = True
Me.DefaultPageSettings.Margins = New Margins(21, 20, 23, 23)
End Sub
Private Sub rotHCReport_BeginPrint(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.BeginPrint
Me.OriginAtMargins = True
Me.DefaultPageSettings.Margins = New Margins(19, 20, 23, 23)
mintLevel = 0
'Reset the loop trackers (used when we need to break out to print a page but remember our place) and others.
mintRowLoopStart = 0
mintTableLoopStart = 0
'Flags
ResetHeaderFooterFlags()
'Page counters
mintCurrentPage = 0
mintTotalPages = 0
End Sub
Private Sub rotHCReport_QueryPageSettings(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.QueryPageSettingsEventArgs) Handles Me.QueryPageSettings
e.PageSettings.Landscape = mePageOrientation = Orientation.Landscape
mintCurrentPage += 1
End Sub
Private Sub rotHCReport_PrintPage(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles Me.PrintPage
Dim DR As DataRow
Dim PrintFont As Font
e.Graphics.PageUnit = GraphicsUnit.Inch
PrintFont = New Font("Arial", 8, FontStyle.Regular)
For intRow = 0 To 10
DR = mDS.Tables(0).Rows(intRow)
For intColumn = 0 To 5
e.Graphics.DrawString(DR(intColumn).ToString, PrintFont, New SolidBrush(Color.Black), intColumn + 1, CSng(intRow + 1))
Next
Next
End Sub
Private Sub rotHCReport_EndPrint(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.EndPrint
mbSetUpRequired = True
End Sub
Me.DefaultPageSettings.Margins = New Margins(20, 20, 23, 23)
Private Sub rotHCReport_BeginPrint(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.BeginPrint
'Me.OriginAtMargins = True
Me.DefaultPageSettings.Margins = New Margins(25, 25, 25, 25)
'Subreport level
mintLevel = 0
'Reset the loop trackers (used when we need to break out to print a page but remember our place) and others.
mintRowLoopStart = 0
mintTableLoopStart = 0
'Flags
ResetHeaderFooterFlags()
'Page counters
mintCurrentPage = 0
mintTotalPages = 0
End Sub
Private Sub rotHCReport_QueryPageSettings(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.QueryPageSettingsEventArgs) Handles Me.QueryPageSettings
e.PageSettings.Landscape = mePageOrientation = Orientation.Landscape
mintCurrentPage += 1
End Sub
Private Sub rotHCReport_PrintPage(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles Me.PrintPage
Dim DR As DataRow
Dim PrintFont As Font
e.Graphics.PageUnit = GraphicsUnit.Inch
e.Graphics.ResetTransform()
e.Graphics.TranslateTransform(e.MarginBounds.X / 100.0F, e.MarginBounds.Y / 100.0F)
PrintFont = New Font("Arial", 8, FontStyle.Regular)
For intRow = 0 To 10
DR = mDS.Tables(0).Rows(intRow)
For intColumn = 0 To 5
e.Graphics.DrawString(DR(intColumn).ToString, PrintFont, New SolidBrush(Color.Black), CSng(intColumn + 1), CSng(intRow + 1))
Next
Next
End Sub
Private Sub rotHCReport_EndPrint(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.EndPrint
mbSetUpRequired = True
End Sub
e.Graphics.TranslateTransform(-e.MarginBounds.X / 100.0F, -e.MarginBounds.Y / 100.0F)
Public Class NewController
Inherits PrintController
Public Overrides Function OnStartPage(ByVal document As System.Drawing.Printing.PrintDocument, ByVal e As System.Drawing.Printing.PrintPageEventArgs) As System.Drawing.Graphics
Dim g As System.Drawing.Graphics
g = MyBase.OnStartPage(document, e)
g.PageUnit = GraphicsUnit.Inch
g.ResetTransform()
g.TranslateTransform((e.MarginBounds.X - e.PageSettings.HardMarginX) / 100.0F, (e.MarginBounds.Y - e.PageSettings.HardMarginY) / 100.0F)
'This does not work either
'e.Graphics.PageUnit = GraphicsUnit.Inch
'e.Graphics.ResetTransform()
'e.Graphics.TranslateTransform((e.MarginBounds.X - e.PageSettings.HardMarginX) / 100.0F, (e.MarginBounds.Y - e.PageSettings.HardMarginY) / 100.0F)
'Return e.Graphics
Return g
End Function
End Class
Private mPC As NewController
Public Sub New()
MyBase.New()
mPC = New NewController
Me.PrintController = mPC
End Sub
Private Sub rotHCReport_BeginPrint(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.BeginPrint
Me.DefaultPageSettings.Margins = New Margins(25, 25, 25, 25)
'Subreport level
mintLevel = 0
'Reset the loop trackers (used when we need to break out to print a page but remember our place) and others.
mintRowLoopStart = 0
mintTableLoopStart = 0
'Flags
ResetHeaderFooterFlags()
'Page counters
mintCurrentPage = 0
mintTotalPages = 0
End Sub
'Raised before each and every page
Private Sub rotHCReport_QueryPageSettings(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.QueryPageSettingsEventArgs) Handles Me.QueryPageSettings
e.PageSettings.Landscape = mePageOrientation = Orientation.Landscape
mintCurrentPage += 1
End Sub
Private Sub rotHCReport_PrintPage(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles Me.PrintPage
Dim DR As DataRow
Dim PrintFont As Font
e.Graphics.PageUnit = GraphicsUnit.Inch
PrintFont = New Font("Arial", 8, FontStyle.Regular)
For intRow = 0 To 10
DR = mDS.Tables(0).Rows(intRow)
For intColumn = 0 To 5
e.Graphics.DrawString(DR(intColumn).ToString, PrintFont, New SolidBrush(Color.Black), CSng(intColumn + 1), CSng(intRow + 1))
'millimetersd
'e.Graphics.DrawString(DR(intColumn).ToString, PrintFont, New SolidBrush(Color.Black), CSng((intColumn + 1) * 25.4), CSng((intRow + 1) * 25.4))
Next
Next
End Sub
Private Sub rotHCReport_EndPrint(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.EndPrint
mbSetUpRequired = True
End Sub
Private Sub rotHCReport_BeginPrint(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.BeginPrint
'Me.OriginAtMargins = True 'Don't need this anymore
Me.DefaultPageSettings.Margins = New Margins(25, 25, 25, 25) 'These are the margins actually used
'Subreport level
mintLevel = 0
'Reset the loop trackers (used when we need to break out to print a page but remember our place) and others.
mintRowLoopStart = 0
mintTableLoopStart = 0
'Flags
ResetHeaderFooterFlags()
'Page counters
mintCurrentPage = 0
mintTotalPages = 0
End Sub
'Raised before each and every page
Private Sub rotHCReport_QueryPageSettings(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.QueryPageSettingsEventArgs) Handles Me.QueryPageSettings
e.PageSettings.Landscape = mePageOrientation = Orientation.Landscape
mintCurrentPage += 1
End Sub
Private Sub rotHCReport_PrintPage(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles Me.PrintPage
Dim DR As DataRow
Dim PrintFont As Font
e.Graphics.PageUnit = GraphicsUnit.Inch
e.Graphics.ResetTransform()
e.Graphics.TranslateTransform((e.MarginBounds.X - e.PageSettings.HardMarginX) / 100.0F, (e.MarginBounds.Y - e.PageSettings.HardMarginY) / 100.0F)
PrintFont = New Font("Arial", 8, FontStyle.Regular)
For intRow = 0 To 10
DR = mDS.Tables(0).Rows(intRow)
For intColumn = 0 To 5
e.Graphics.DrawString(DR(intColumn).ToString, PrintFont, New SolidBrush(Color.Black), CSng(0.25 + intColumn), CSng(0.25 + intRow))
Next
Next
End Sub
Private Sub rotHCReport_EndPrint(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintEventArgs) Handles Me.EndPrint
mbSetUpRequired = True
End Sub
最佳答案
在您的 PrintPage
处理程序,你有语句 e.Graphics.PageUnit = GraphicsUnit.Inch
并因此导致问题。收到的e.Graphics.PageUnit
设置为 Display
并且 Graphics 应用了一个坐标变换来反射(reflect)您的 OriginAtMargins = True
环境。变换的 OffsetX
和 OffsetY
值是使用 Display
计算的PageUnit
设置(以 1/100 英寸为单位)。当您更改 PageUnit
至 Inch
这些偏移量现在被解释为英寸,并且您在图形上绘制的任何内容都超出了边界。这就是为什么你会得到一个空页面。
您应该能够消除 OriginAtMargins = True
声明并修改PrintPage
处理程序代码如下:
e.Graphics.PageUnit = GraphicsUnit.Inch
e.Graphics.ResetTransform() ' clear any previous transforms
e.Graphics.TranslateTransform((e.MarginBounds.X - e.PageSettings.HardMarginX) / 100.0F, (e.MarginBounds.X - e.PageSettings.HardMarginY) / 100.0F)
PrintDocument.OriginAtMargins
属性是真的。
关于.net - 如何设置 PrintDocument 的边距?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46119165/
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